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Foreign Investment, Urban Unemployment, and Informal Sector
( Hamid Beladi ),( Shigemi Yabuuchi ),( Gu Wei ) 세종대학교 경제통합연구소 (구 세종대학교 국제경제연구소) 2005 Journal of Economic Integration Vol.20 No.1
In this paper we extend the Harris-Todaro model to include an urban informal sector. The effects of exogenous inflow of foreign capital on outputs, unemployment and welfare are examined in the model where the product of the informal sector is used as an industrial input in the urban formal sector. We also analyze the implications of the capital inflow for income distribution.
Multinational Corporations and Industrial Employment
Beladi, Hamid,Frasca, Ralph 세종대학교 국제경제연구소 2001 Journal of Economic Integration Vol.16 No.1
The paper is to present a theory consistent with the stylised facts that employment and wages in the manufacturing sectors of the developed nations decline. It focuses on a world of multinational corporations where capital and technology are increasingly mobil.
Farahnaz Haftlang,Abbas Zarei‑Hanzaki,Hamid Reza Abedi,Joraslov Málek,Ehsan Farabi,Hossein Beladi 대한금속·재료학회 2020 METALS AND MATERIALS International Vol.26 No.4
The tribological performance of Ti–29Nb–14Ta–4.5Zr alloy against Ti–6Al–4V ELI was investigated for the mild condition,emphasized on the superficial changes and changes underneath the wear track. The results of X-ray photoelectronspectroscopy indicated that TiO2,Nb2O,Ta2Oand Zr2Ooxides aggregated to form a protective tribo-layer, which effectivelyprevented further superficial damages. Development of fine-grain layer and the occurrence of phase transformation ofβ → α’’/ω were characterized as the main wear-induced evolution of the subsurface layer. The wear-induced transformationincreases the hardenability of the subsurface layer, effectively support the worn surface and prevent premature cracking. These phenomenal evolutions were led to a simultaneous increase in the strength and ductility and subsequently wear lossreduction in comparison to the Ti64 ELI.