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- 저자 : Kopp, G. (검색결과 42 건)
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Effect of Propionic Acid in the Germination of Rice Genotypes
Kopp, Mauricio Marini,Luz, Viviane Kopp da,Maia, Luciano Carlos da,Sousa, Rogerio Oliveira de,Oliveira, Antonio Costa de The Korean Society of Crop Science 2008 Journal of crop science and biotechnology Vol.11 No.4
The objective of this work was to evaluate the germination of 12 rice genotypes under propionic acid stress, a phytotoxic compound produced in low drainage soils with high organic matter content. The tests were conducted with the first count of germination (PCG) and germination (G) of the genotypes subjective to 0, 3, 6, and 9 mM propionic acid concentrations. The seeds of each genotype were placed in germitest paper pre-soaked in treatment solutions forming individual bags. The germination was performed at $25^{\circ}C$ and the counts were carried out at 7 (PCG) and 14 days (G). A factorial random block design was performed with four replications of 50 seeds per genotype. Our study revealed that doses up to 9 mM propionic acid in the pre-soaking solution were efficient for genetic variability studies involving the character germination in rice; genetic variability for germination was detected in the collection of rice genotypes when subjected to propionic acid toxic effects. The genotypes Guichow, Dawn, and Toride-1 showed germination stability when subjected to increasing levels of propionic acid, and genotypes originated from irrigated system-cultivation performed better when subjected to propionic acid stress. These three genotypes will be a good biological material to for enhance the resistance to phytotoxic compounds in rice.
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Effect of Propionic Acid in the Germination of Rice Genotypes
Mauricio Marini Kopp,Viviane Kopp da Luz,Luciano Carlos da Maia,Rogério Oliveira de Sousa,Antonio Costa de Oliveira 한국작물학회 2008 Journal of crop science and biotechnology Vol.11 No.4
The objective of this work was to evaluate the germination of 12 rice genotypes under propionic acid stress, a phytotoxic compound produced in low drainage soils with high organic matter content. The tests were conducted with the first count of germination (PCG) and germination (G) of the genotypes subjected to 0, 3, 6, and 9 mM propionic acid concentrations. The seeds of each genotype were placed in germitest paper pre-soaked in treatment solutions forming individual bags. The germination was performed at 25 °C and the counts were carried out at 7 (PCG) and 14 days (G). A factorial random block design was performed with four replications of 50 seeds per genotype. Our study revealed that doses up to 9 mM propionic acid in the pre-soaking solution were efficient for genetic variability studies involving the character germination in rice; genetic variability for germination was detected in the collection of rice genotypes when subjected to propionic acid toxic effects. The genotypes Guichow, Dawn, and Toride-1 showed germination stability when subjected to increasing levels of propionic acid, and genotypes originated from irrigated system cultivation performed better when subjected to propionic acid stress. These three genotypes will be a good biological material to for enhance the resistance to phytotoxic compounds in rice. The objective of this work was to evaluate the germination of 12 rice genotypes under propionic acid stress, a phytotoxic compound produced in low drainage soils with high organic matter content. The tests were conducted with the first count of germination (PCG) and germination (G) of the genotypes subjected to 0, 3, 6, and 9 mM propionic acid concentrations. The seeds of each genotype were placed in germitest paper pre-soaked in treatment solutions forming individual bags. The germination was performed at 25 °C and the counts were carried out at 7 (PCG) and 14 days (G). A factorial random block design was performed with four replications of 50 seeds per genotype. Our study revealed that doses up to 9 mM propionic acid in the pre-soaking solution were efficient for genetic variability studies involving the character germination in rice; genetic variability for germination was detected in the collection of rice genotypes when subjected to propionic acid toxic effects. The genotypes Guichow, Dawn, and Toride-1 showed germination stability when subjected to increasing levels of propionic acid, and genotypes originated from irrigated system cultivation performed better when subjected to propionic acid stress. These three genotypes will be a good biological material to for enhance the resistance to phytotoxic compounds in rice.
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Kopp, G.A.,Surry, D.,Chen, K. Techno-Press 2002 Wind and Structures, An International Journal (WAS Vol.5 No.5
Aerodynamic pressures and forces were measured on a model of a solar panel containing six slender, parallel modules. Of particular importance to system design is the aerodynamically induced torque. The peak system torque was generally observed to occur at approach wind angles near the diagonals of the panel ($45^{\circ}$, $135^{\circ}$, $225^{\circ}$ and $315^{\circ}$) although large loads also occurred at $270^{\circ}$, where wind is in the plane of the panel, perpendicular to the individual modules. In this case, there was strong vortex shedding from the in-line modules, due to the observation that the module spacing was near the critical value for wake buffeting. The largest loads, however, occurred at a wind angle where there was limited vortex shedding ($330^{\circ}$). In this case, the bulk of the fluctuating torque came from turbulent velocity fluctuations, which acted in a quasi-steady sense, in the oncoming flow. A simple, quasi-steady, model for determining the peak system torque coefficient was developed.
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Steven W. Kopp 글로벌지식마케팅경영학회 2016 Global Marketing Conference Vol.2016 No.7
Introduction The research described in this abstract discusses “multilevel marketing,” including a review of academic literatures and studies that have used the direct sales business method as a research context. The multilevel marketing business structure represents an alternative to the business-employee-consumer relationships of those offered by traditional bureaucratic organizations. As such, they have, on one hand, collectively prospered and, on the other hand, attracted negative attention from regulatory and government entities, scholars, and competitors. Studies related to MLM organizations have examined these businesses on every populated continent, and have considered the viewpoints of consumers, MLM participants, and sales managers. Research has included a variety of empirical approaches, from quantitative survey methods to qualitative ethnographic studies. Consumer dispositions toward MLM have been measured intermittently over several years, and include consumer responses from many different countries. One consistent finding is that people who have purchased products from MLMs expressed more favorable opinions of them than do those who have not bought from MLM. Further, studies also provide evidence that consumers perceive that buying from direct selling is perceived to be less risky than some other non-store shopping modes (Gillett, 1976; Peterson, Albaum & Ridgway 1989; Alturas, Santos & Pereira 2005). Nonetheless, the practice is controversial and faces intense scrutiny in many countries while being banned in others. However, the research literature suggests careful consideration of the benefits of MLM organizations, in that the nontraditional organizational structure and methods of promotion may provide economic development in poor economies and also allow consumer-participants to develop important skills. One common method of retailing is direct sales. Direct selling companies emphasize promotion and distribution of their products through person-to-person contact, usually away from a physical retail location and usually through some network of independent sellers. The sales presentations are often held in homes, in the form of door-to-door solicitation, one-to-one meetings, through sales “parties,” or through some type of online social media platform (e.g., Facebook). Direct selling provides a channel of distribution for companies as an alternative to traditional retail outlets; it is attractive to companies that may be unable to compete with the vast advertising and promotion expenses that other manufacturers employ to gain shelf space in traditional retail stores. The variety of products and services that are sold through direct sales matches that of major traditional retailers, including cosmetics, home d?cor, wellness, jewelry, kitchen products, clothing, organic gardening, and scrapbooking supplies. Promotion of the products often relies on product demonstrations. One type of direct sales is multilevel marketing. A multilevel marketing organization (MLM) is a type of compensation structure (Coughlan & Grayson 1998) through which distributors earn income from their own sales as well as through commissions from the sales made by individuals they have recruited into their organization. As depicted in Figure 1, there are three basic components to compensation: 1. Distributors purchase the products or services at wholesale cost from the MLM organization; these products are sold at a profit (markup) to end consumers 2. Distributors are paid a commission by the MLM for what they sell directly 3. Distributors earn a bonus (percentage) of the sales made by individuals they recruit into the MLM. Recruits are referred to as the distributor’s “downline,” while the recruiter is referred to as the recruited person’s “upline.” MLM and traditional organizations MLM participants include people with diverse backgrounds, levels of education and experience, and personal qualities. Direct selling organizations rely on social connections and relationships to broaden their potential customer base; MLM organizations rely on these social connections as integral to their recruiting as well. MLM organizations do not have formal sales management structures. MLM participants are not “employees,” but rather act as independent franchisees that must adhere to organizational, ethical, and legal parameters. MLM participants are usually not co-located – they do not work at a central office – and often begin work part-time. Participants usually pay start-up or membership fees and pay for training and other selling-related materials. Because MLMs operate without bureaucratic organizational structure or traditional workplace, the company’s culture and ideologies are circulated through social relationships of each individual participant. Several researchers have asserted that cultural characteristics have a significant impact on the success of MLMs in any economy. Biggart (1989) observed that MLMs are successful in Asian countries because those societies tend to be very structured and hierarchical, and individuals in those countries carry a Confucian work ethic similar to Protestant ethic characteristic of the United States. Additionally, Asian extended family networks make selling and recruiting easier. By contrast, Herbig and Yelkurm (1997) observed that MLMs have not succeeded in parts of Europe, because the cultural and ideological climate is comparatively unreceptive to free enterprise and market entry. Laws restrict sellers to contact people at home. Southern European countries, however, tend to have larger informal sectors, fewer worker protections and restrictions, and stronger family and extended-family relationships. Statistics Worldwide, direct retail sales were $182.8 billion in 2014, an increase of over 6% from the previous year; these sales were generated by over 99 million direct-sellingretailers, including cosmetics, home d?cor, wellness, jewelry, kitchen products, clothing, organic gardening, and scrapbooking supplies. Promotion of the products often relies on product demonstrations. One type of direct sales is multilevel marketing. A multilevel marketing organization (MLM) is a type of compensation structure (Coughlan & Grayson 1998) through which distributors earn income from their own sales as well as through commissions from the sales made by individuals they have recruited into their organization. As depicted in Figure 1, there are three basic components to compensation: 1. Distributors purchase the products or services at wholesale cost from the MLM organization; these products are sold at a profit (markup) to end consumers 2. Distributors are paid a commission by the MLM for what they sell directly 3. Distributors earn a bonus (percentage) of the sales made by individuals they recruit into the MLM. Recruits are referred to as the distributor’s “downline,” while the recruiter is referred to as the recruited person’s “upline.” MLM and traditional organizations MLM participants include people with diverse backgrounds, levels of education and experience, and personal qualities. Direct selling organizations rely on social connections and relationships to broaden their potential customer base; MLM organizations rely on these social connections as integral to their recruiting as well. MLM organizations do not have formal sales management structures. MLM participants are not “employees,” but rather act as independent franchisees that must adhere to organizational, ethical, and legal parameters. MLM participants are usually not co-located – they do not work at a central office – and often begin work part-time. Participants usually pay start-up or membership fees and pay for training and other selling-related materials. Because MLMs operate without bureaucratic organizational structure or traditional workplace, the company’s culture and ideologies are circulated through social relationships of each individual participant. Several researchers have asserted that cultural characteristics have a significant impact on the success of MLMs in any economy. Biggart (1989) observed that MLMs are successful in Asian countries because those societies tend to be very structured and hierarchical, and individuals in those countries carry a Confucian work ethic similar to Protestant ethic characteristic of the United States. Additionally, Asian extended family networks make selling and recruiting easier. By contrast, Herbig and Yelkurm (1997) observed that MLMs have not succeeded in parts of Europe, because the cultural and ideological climate is comparatively unreceptive to free enterprise and market entry. Laws restrict sellers to contact people at home. Southern European countries, however, tend to have larger informal sectors, fewer worker protections and restrictions, and stronger family and extended-family relationships. Statistics Worldwide, direct retail sales were $182.8 billion in 2014, an increase of over 6% from the previous year; these sales were generated by over 99 million direct-selling distributors (World Federation of Direct Selling Associations, 2015). The primary product categories included cosmetics/personal care, wellness, household products, and clothing/accessories. The largest markets for direct selling include the United States, Europe, and Japan. The European Direct Selling Association (Seldia) reported that 2014 sales of direct selling firms in European Union countries were €24 billion (about $26.7 billion), with over 5 million direct sellers (Seldia, 2015). In Japan, 2012 direct selling revenues were ?177 trillion ($16 billion), with 3.3 million participants (WFDSA, 2015). In the United States, there were over 18 million direct-selling distributors in 2014 who generated $34.5 billion, a 5.5% increase from 2013. The Direct Sales Association reported that over 95% of U.S. direct sales in 2011 were through MLMs (Direct Sales Association, 2015). In terms of participation, the vast majority of direct distributors are women in both of two largest aggregate direct-selling markets. In the European Union, 79% of all direct sellers were women in 2014 (Seldia, 2015); seventy-six percent of direct sellers were considered to be part-time. In the U.S., the percentage of female direct sellers in the U.S. in 2014 was 74% (DSA, 2015). Criticism and Legal/Regulatory Issues Legitimate MLMs are often characterized as or confused with illegal “pyramid” or “Ponzi” schemes, and seem to have always attracted regulatory scrutiny (Arun, 2015; Alpert, 2012; Croft, Cutts & Mould, 2000; Hyman, 2008; Herbig & Yelkurm, 1997; O’Regan, 2015). In response to illegitimate operations, consumer protection groups and federal and local governments have provided information and enacted laws which distinguish MLMs from their fraudulent counterparts. MLMs and pyramid schemes Much of the academic and legal literatures have ventured to provide formal delineation between legal MLMs and the illegal and unethical practices related to pyramid schemes (Stockstill, 1985; Coughlan & Grayson, 1998; Epstein, 2010; Vander Nat & Keep, 2002). There is nearly universal concurrence that whether a program is a legitimate multilevel marketing plan or an illegal pyramid depends on: (1) the method by which the products or services are sold; and (2) the manner in which participants are compensated. Basically, if an organization pays participants for sales by their “enrollees,” “recruits,” and/or their downline enrollees and recruits, that plan is multilevel. If a program compensates participants, directly or indirectly, merely for the introduction or enrollment of other participants into the program, unrelated to the sales of any product, it is considered to be a pyramid. In the United States, federal and state anti-pyramid statutes comprise a comprehensive consumer protection umbrella. These laws are designed to protect individuals from being defrauded through illegitimate programs which lure participants with the promise of easy money by compensating them from the investments of additional participants rather than from legitimate product sales. Federal and state regulatory agencies have sought to prohibit such illegal activity using laws that control pyramids, mail fraud, business opportunity, franchise, lottery, and securities. Internationally, many countries ban some forms of pyramid schemes. Pyramid selling and multilevel marketing both take the form of complex organizations, and because of different interpretations of business activities and underlying regulatory philosophies across countries, regulation takes different forms (Micklitz, Monazzahian & R?ßler, 1999; Dobson, 2011; Chan, 1999; China Daily, 2013; Epstein, 2010). Economic Development and MLM Organizations Several studies have observed that one of the key reasons for the establishment and growth of MLM organizations has been that they are often introduced into a larger socioeconomic context, using pre-existing social relationships to become engrained in the overall complex of an economy. Indeed, in communities where families and social networks are relatively large and geographically concentrated, MLM organizations have tended to thrive. MLMs are particularly attractive employment options for groups of people who may experience high unemployment and discrimination in the primary labor market (Brodie, Stanworth & Wotruba, 1998), for example women (Biggart, 1989; Casanova, 2011a, 2011b; Vincent, 2003; Dolan & Scott, 2009; Cahn, 2011; Singh & Aggarwal, 2012) and ethnic minorities (Dai, Wang & Teo, 2011; de Vidas, 2008). Further, as many countries attempt to follow a neo-liberalized, free-market approach to economic development, employment has become more feminized (Standing, 1999) and selling for a transnational direct sales organization is often an appealing option for women in developing countries, providing paid employment that takes place not only outside the home, but outside the archetypical, standardized workplace of the export-product manufacturing factory (Casanova, 2011a, 2011b; Wilson, 1998). Other evidence has suggested several macro-environmental developments that continue to have an impact on direct sales organizations (Ingram, 1993; Ragland, 2012). First, the splintering of market segments into subsegments has compelled companies with fewer resources to focus to avoid the “mass market,” and focus instead on smaller segments, tailoring their efforts to gain customer satisfaction (Kotler & Armstrong, 2014). MLMs are particularly suited to this consumer environment – distributors talking directly to consumers to find out what it is that they want, like, and prefer. One further outcome of this fragmentation has been that people have been forced to seek new groups to satisfy their need to belong, and “hybrid” economic social networks such as MLMs satisfy these nonmaterial needs of distributor participants (Green & D’aiuto, 1977). This appears to be a reasonable explanation of why many of the largest MLM organizations have several million distributors, the majority of whom gain only very minimal financial rewards despite devoting a substantial portion of their time to company activities. A second macro trend is that of globalization. Over the past thirty years, a strong demand has developed for Western products in then-newly-opened European and Asian markets. This continues to be the case in central Asia (India, Russia) and Latin America. In addition to consumer demand, a high level of salesperson motivation in those countries cited as a key to success. Thus consumer demand for MLM-supplied products has grown, while the entrepreneurial spirit that multilevel marketing encourages is appealing to many who seek self-managed work and independence from the traditional employer-employee relationship. Third, manufacturers often pursue multiple channels of distribution to make products available, and MLMs offer a realistic (and often creative) alternative component. This makes it easy for shoppers to find what they want, and a “direct” channel can coexist with traditional channels, allowing entry into extremely local markets and extremely poor consumers (Ireland, 2008; Dolan & Scott, 2009). For example, Ireland (2008) provided several examples of the implementation of MLM in poor communities in South America. This strategy was executed by well-known brands, some of which were recognizable MLMs (e.g. Avon) and some of which were traditional consumer products manufacturers (e.g. Coca Cola). The MLM organization in each of these cases emphasized physical distribution – in some situations going so far as to provide refrigerators in the homes of poor consumers, who would then sell beer or soft drinks directly from their homes. Improving access to products involved elaborate multilevel marketing channels that used the social skills and energy of “bottom of pyramid” (very poor) residents who participated as distributors. A fourth macro-level trend has been that toward trust-based relationship marketing, defined as building, developing and maintaining strong relationships with customers and other stakeholders in order to obtain a high profitability through customer satisfaction (Berry, 1983). The success of the MLM business model as a strategic alternative may thus be linked to the macro-level processes in national and global economies. Discussion and Conclusions Modern versions of direct selling hold the potential to improve lives across the world’s developing economies as the range of products begins to include those that have high social value, such as medicines, hygienic items and communications. Multilevel marketing is an innovation that has become increasingly successful as it has evolved in Western economies to include well-known consumer products (Amway, Tupperware, Mary Kay) but also high-end fashion (J. Hilburn, Etcetera) and even sex toys (Passion Parties). In developing countries, the MLM represents a potentially lucrative channel for traditional companies seeking growth – the flexibility of the channel of distribution, the fact that it relies on existing relationships among potential consumers and distributors, and its ability to reach consumers directly make it a potential tool for economic development. Even still, multilevel marketing carries negative connotations in many marketplaces worldwide. Because MLM participants are technically not employees of their company, “control” over participants is difficult, and continued participation is difficult to maintain. The high degree of commitment and strong organizational culture seem to foster accusations of “cult” behaviors. While there is no question that false product or business opportunity claims may be made – as with any consumer product – academic research tends to suggest that prohibition or strict regulation needs to be carefully weighed against the potential benefits of MLM organizational structures and operations. Multilevel marketing and other direct sales channels of distribution may facilitate economic development, first by employing people who may have little business experience, and second by making products available to consumers in markets where few other retailers may be able to reach. Research also suggests that the MLM business method provides a legitimate alternative strategy to traditional retailing: marketers can get information to consumers in ways that are not feasible using traditional advertising or retail distribution, and person-to-person selling increases the likelihood of customer satisfaction.
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INCORPORATING PUBLIC POLICY, REGULATORY, AND LEGAL ISSUES INTO THE MARKETING CURRICULUM
Steven W. Kopp 글로벌지식마케팅경영학회 2018 Global Marketing Conference Vol.2018 No.07
Despite the continued and increasing relevance of public policy and regulatory issues in managerial marketing, legal topics related to marketing are often covered in little detail. “Business law” or “legal environment of business” courses typically address marketing issues superficially, while courses for marketing majors may include a few references to legal or regulatory topics as anecdotes or archaic history (e.g., Sherman Antitrust Act). Managerially germane topics such as consumer privacy, antitrust, consumer protection, product safety, or intellectual property may be cursorily included in an introductory business law course or principles of marketing course, but this does not insure connection of these concepts with “real life” significance. Many practical factors, such as globalization, and academic factors, such as those related to the establishment of a broad domain of research and conceptual development in “marketing and public policy,” have expanded the domain of marketing from a pure business orientation to one through which law, regulation, and public policy are worthy of more in-depth treatment of these topics in the tertiary marketing education curriculum. This paper outlines why and how “marketing and public policy” can be taught and how it can complement the broader curriculum of the business school. From the manager’s perspective, the legal environment of business often represents a series of challenges or impediments to the manager’s decisions and to a business’ success. At the same time, whether or not a consumer is aware of it, these same business impediments often represent protections to the consumer from financial or physical harm. Criminal sanctions in a global (or national) marketing context can include imprisonment for managers or multimillion dollar judgments against companies; this should provide sufficient incentive for marketing practitioners in the business community to develop an interest in marketing law, and this interest can be fostered through examples, cases, and student research. Public policy topics often compel decision makers to consider broad questions (“what is a market?”) as much as they must bear in mind matters related to consumers and competitors (“Is comparative advertising effective?”). Teaching marketing students to be concerned and informed about the law can produce marketing managers who are aware of their social and legal environments. Incorporating public-policy related examples across courses can also satisfy pedagogical objectives.
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