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Fluctuations in Supply and Prices of White Potato and Tomato: Are the Triggers the Same?
Julieta A. Delos Reyes,Christine Joy B. Manalo,Abigail T. Lat 아시아무역학회 2020 Journal of Asia Trade and Business Vol.7 No.2
Purpose – White potato and tomato just like many agricultural products are both highly perishable but agronomically, these two products are quite different with white potatoes less prone to losses because they are sturdier and less susceptible to physical damages. Tomatoes are climacteric and more temperature-sensitive depending on the stage of maturity. Both however, are internationally-traded and were reported to be among those that are frequently smuggled into the Philippines. The paper is anchored on the major hypothesis that smuggling together with other factors can trigger the changes in supply and prices of the two commodities but the magnitudes of such effects differ for each commodity due mainly to their inherent characteristics. Design/Methodology/Approach – Monthly price series data covering the period 1990, for white potato, and 1993 for tomato, up to 2017 were subjected to price analysis using the multiplicative model of the ratio-to-moving average method focusing on seasonal and irregular price variations. The double logarithmic form was identified as the most appropriate model for the multiple regression analysis. Findings – Results revealed that the white potato industry is more dependent on imports than tomato. Tomato production is generally increasing but area planted has been decreasing. Both the white potato and tomato industries are vulnerable to price instability brought by natural phenomenon and calamities. Technology and smuggling were the only factors commonly affecting the production responses of the two commodities with technology being a production booster, but technical smuggling reduces the quantity produced of both commodities. The magnitude of the effect of these two variables was greater in white potato than in tomato. Wage rate is also a negative factor for white potato production while tomato production negatively responded to palay (paddy rice prior to husking) farmgate price but benefits from the government-imposed tariff on imported tomatoes. Research Implications – Study results imply the need for stricter and more diligent implementation of Anti-Agricultural Smuggling Act (Republic Act 10845) and for policymakers to consider the nature of agricultural products in crafting policies in view of the fact that there are more vulnerable commodities vis-à-vis technological changes, incidences of smuggling and wage rate hikes that affect their quantity supplied in the market.
Mechanical Prestressing of Segmental Type Steel H-Beam
Mark Gil delos Santos,Edward Gapatan,Kim Kee Dong 한국방재학회 2015 한국방재학회 학술발표대회논문집 Vol.14 No.-
Prestressing steel is an effective means of increasing the load carrying capacity and control the deflection of structural steel members. Although the method of prestressing is not new, the application and development of the technique for steel members has been limited and not as advanced as prestressed concrete structures. Prestressing force is commonly introduced using hydraulic jacks and utilizes high strength tendons as the prestressing material. In this paper, a new method of applying prestressing force is introduced. The method involves a segmental beam consisting of three segments and a normal strength bottom plate (BP) as the pretressing material attached to the two initially inclined outer segments of the steel H-beam. Pretressing force is introduced by taking advantage of the geometry of the segmental assembly of the beam. Experiment, analytical studies, and finite element (FE) analysis using ABAQUS is performed to verify the feasibility and applicability of the method and to understand the behavior of a mechanically prestressed segmental steel beam. Results showed that the prestressing method significantly increases the load carrying capacity and at the same time reduces the deflection of the beam. The difficulties encountered in the method are the rigorous assembly and the introduction of the exact required amount of prestressing force. Overall, the method of prestressing performed in the study can be used to introduce pretressing force which improves the performance of steel beams, provided that proper detailing is implemented.
Determinants of Philippine Prawn and Coconut Oil Exports
Julieta A. Delos Reyes,Bates M. Bathanb,Joshua DC. Moretoc,Jandhe S. Reyes The International Academy of Global Business and T 2018 The International Academy of Global Business and T Vol.14 No.1
Prawn and coconut oil are traditional export commodities of the Philippines. They are mainly exported to Japan, the United States, and the Netherlands. This study assessed the effects of domestic production and income, domestic and export prices, foreign exchange rate, and trade agreements on the volume of Philippine exports of these two commodities to the top destination countries . The trade agreements focused on the Japan- Philippines Economic Partnership Agreement in the case of prawn, and the country‟s accession to the General Agreement on Tariffs and Trade, now the World Trade Organization, for coconut oil. Multiple regression analysis was employed to determine the factors affecting export volume. Problems and challenges in the local industries and export markets were identified, and recommendations to improve the export demand of Philippine prawn and coconut oil were also provided.
Padrid, J.C.,Delos Reyes, J.A.,Quicoy, C.B.,Bathan, B.M.,Lucero, B.A.G.,Tabernilla, M.E.P. 한국무역학회 2019 한국무역학회 국제학술대회 Vol.2019 No.08
Even without much attention given by the government, white corn still thrives today and continues to act as a buffer staple during critical periods of inadequate rice production. The increasing importance of white corn is seen because unlike yellow corn, even if not marketed, white corn can still be kept for home consumption. The role of white corn an still be traced to the efforts of the government towards improving food security in the country. The Department of Agriculture (DA), together with the National Food Authority (NFA) and the Philippine Maize Federation, Inc. (PhilMaize) launched the rice-corn blend in December 2017. The blend comes in three variants: the 80:20, with 80% rice and 20% white corn grits; 70:30, and 50:50. With the amount of money being allotted by the DA for a massive campaign for production and marketing of rice-corn blend, it thus becomes imperative that courses of action to this effect should be borne out of empirical studies, hence this research which determined the consumer preference and potential demand for rice-corn blend in the NCR. The study employed stratified random sampling to come up with 460 end-consumer-respondents, 160 of whom were from Malabon (35%), 148 from Quezon City (32%), and 152 from San Juan City (33%). Descriptive analysis, product testing, and Fisher’s exact test were performed. Results revealed that introducing the rice-corn blend in the markets of the National Capital Region will be a challenge. Respondents who were not willing to consume the product reported that it will be hard to introduce the blends to their children as alternative staples. The subtle starchy taste from the corn grits seem to serve as deterrent to the end-consumers. However, there are still a number of respondents who were willing to consume them because of health benefits. Highlighting this characteristic of the rice-corn blend during promotion can help improve the demand for the product. Massive information campaign can be launched by the DOH, DA, and the DepEd highlighting this can be a good starting point.
( Janielle Kristine Go ),( Sarah Delos Santos ),( Katlyn Hung ),( Irene Medina ),( Savina Ong ) 대한내과학회 2014 대한내과학회 추계학술대회 Vol.2014 No.1
The community pharmacy practice in recommendation of over-the-counter (OTC) Non-Steroidal Anti-Infiammatory Drugs (NSAIDs) is infiuenced by several factors: knowledge, attitude, and self-assessment that affect decision making. The aim of the study is to measure and co-relate those factors. The popularity and increasing use and demand of Non-Steroidal Anti-Infi ammatory Drugs (NSAIDs) as over-the-counter drug warrants further surveillance and avoidance of unwanted events. A survey was conducted in a sample size of 90 community pharmacies within the 6 districts of Manila city. The respondents were community pharmacist and pharmacy assistants, which were randomly selected by the researchers. A 95% CI and a 10% margin of error were used in the calculation of the sample size from a population size of 945 community pharmacies within Manila city. The knowledge and the attitude was measured and correlated using the Pearson Correlation Method, and the researchers determined the data was statistically signifi cant. The factors were quantitatively analyzed by obtaining the mean and the standard deviation of the result that was gathered.