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<P>Volume 46, Issue 1, Pages 1-202 (February 1995)</P>
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157361.rar
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<P><BR>1、Editorial Board<BR>Pages ii-iii</P>
<P><BR>2 Group lending, repayment incentives and social collateral<BR>Pages 1-18<BR>Timothy Besley and Stephen Coate<BR> <BR> In this paper, we investigate the impact on repayment rates of lending to groups which are made jointly liable for repayment. This type of scheme, especially in the guise of the Grameen Bank in Bangladesh, has received increasing attention. We set up and analyze the ‘repayment game’ which group lending gives rise to. Our analysis suggests that such schemes have both positive and negative effects on repayment rates. The positive effect is that successful group members may have an incentive to repay the loans of group members whose projects have yielded insufficient return to make repayment worthwhile. The negative effect arises when the whole group defaults, even when some members would have repaid under individual lending. We also show how group lending may harness social collateral, which serves to mitigate its negative effect. <BR>3 Civil institutions and evolution: Concepts, critique and models<BR>Pages 19-33<BR>Kaushik Basu<BR> <BR> The paper examines the relation between civil norms and evolution. The survival of norms in the long run may depend on the evolutionary process and natural selection. The sieve of natural selection may ensure that norms which persist must have minimal efficiency properties. This paper begins with a general discussion of evolutionary processes and the survival of civil institutions. It then presents an introductory account of the theory of evolutionary games. It is argued that the model of evolutionary games is more suited to analyzing animal behaviour than the human one. Since it is the latter that is of interest to economists, an attempt is made in this paper to develop some new solution concepts which are more apt for human games. <BR>4 Wage structure as implicit insurance on human capital in developed versus underdeveloped countries<BR>Pages 35-50<BR>Lars Ljungqvist<BR> <BR> This paper explores the role of wage structure as implicit insurance on human capital. It illustrates how smaller wage differentials in the developed world can be welfare-enhancing by acting as implicit insurance while larger wage differentials in underdeveloped countries make investments in human capital riskier. In other words, with smaller wage differentials, the students in a developed country are insured against poor educational outcomes through the existence of well-paid alternative employments which are not present in the economy of a less developed country. This result arises as multiple equilibria in a general equilibrium model when there are no insurance markets for human capital. <BR>5 Can unobserved land quality explain the inverse productivity relationship?<BR>Pages 51-84<BR>Dwayne Benjamin<BR> <BR> An inverse relationship between both farm productivity and labor intensity, and farm size, is a common empirical finding in developing country agriculture. The traditional explanation has been imperfect labor markets. Recently, it has been suggested instead that the inverse relationship is a statistical artifact resulting from omitted land quality. Using a farm-level data set from Java, I investigate whether omitted variable bias can explain the inverse relationship. I show that the inverse relationship and accompanying wage responses are inconsistent with a model of neoclassical farm behavior that ignores omitted variable bias. Instrumental variables techniques yield parameter estimates in which the inverse relationship is eliminated and the estimated wage elasticities are more in line with economic theory. Further econometric investigation hints that a model of omitted land quality may be a possible source of the inverse relationship. These results emphasize the importance of considering the sources of cross-sectional variation in estimating microeconomic relationships. <BR>6 Agro-export production and peasant land access: Examining the dynamic between adoption and accumulation<BR>Pages 85-107<BR>Bradford Barham, Michael R. Carter and Wayne Sigelko<BR> <BR> New technologies and export opportunities have often contributed to dualistic agrarian structure and intense social conflict in Latin American. A switching regression model developed in this paper explicitly links export adoption and land accumulation patterns controlling for pre-existing differentiation processes. Applied to survey data gathered from peasant households in Guatemala, the model provides evidence of equitable structural change induced by a recent export boom in vegetable crops. However, the optimism of these results is tempered by consideration of the unfavorable longer term market dynamics confronting small-scale producers. <BR>7 Multinational firms and export performance in developing countries: Some analytical issues and new empirical evidence<BR>Pages 109-122<BR>Premachandra Athukorala, Sisira Jayasuriya and Edward Oczkowski<BR> <BR> In a given developing-country environment, are the affiliates of MNEs more export oriented than wholly domestic-owned firms? No clear conclusions emerge from the theoretical models or the few available empirical studies of this issue. This paper draws attention to methodological flaws of these studies and presents new empirical evidence through the application of a more appropriate econometric procedure to data from Sri Lanka. We find no significant relationship between MNE affiliation and the degree of export orientation of exporting firms. On the other hand, there is evidence that multinational affiliation is an important determinant of whether a firm is an exporter or not. <BR>8 Comparative productivity of Korean manufacturing, 1967–1987<BR>Pages 123-144<BR>Dirk Pilat<BR> <BR> This paper compares productivity levels in South Korean manufacturing with those in the USA, for 13 manufacturing branches. The comparison is based on specific industry of origin purchasing power parities. Value added per hour worked in Korean manufacturing rose from only 4.5 percent of the US level in 1967 to more than 18 percent in 1987. Total factor productivity rose from only 9 percent in 1967 to 26 percent of the US level in 1987. At a more detailed level, especially the leather, metals and machinery industries have reached high productivity levels, some of which approach levels in European manufacturing. The considerable labour productivity gap between Korea and the United States can partly be explained by capital intensity, structural effects, size effects and levels of education. <BR>9 Monetary policy and inflation under the crawling peg: Some evidence from VARs for Colombia<BR>Pages 145-161<BR>Linda Kamas<BR> <BR> This paper investigates the effects of monetary policy under the crawling peg in Colombia utilizing Granger Causality tests, variance decompositions, and impulse response functions from VARs. Several alternative lag selection criteria are used to specify the lag structures of the VARs. Variations in domestic credit appear to affect the balance of payments but not the exchange rate in Colombia, suggesting that the crawling peg has functioned more like a fixed than a flexible exchange rate. The size of the balance of payments offset is relatively large, but the models differ on its size. Domestic credit appears to have a weak effect on national output. Neither domestic credit nor the exchange rate play much of a role in explaining variation in inflation in Colombia. Inflation appears to be primarily inertial and the result of demand shocks. The results are consistent with the recent difficulties encountered in maintaining monetary targets in Colombia, and the persistence of inflation under contractionary monetary policy. <BR>10 A model-based estimation of the probability of default in sovereign credit markets<BR>Pages 163-179<BR>Fausto Hernandez-Trillo<BR> <BR> A model of sovereign credit markets is built to estimate the probability of default. The model shows that equilibrium implies credit rationing and that it is inadequate to include both the level of debt and the spread over LIBOR as determinants of this probability. Likewise, the model incorporates the idea of sanctions in case of default and it is demonstrated that they play an important role in deterring a country from defaulting. The elements that are found useful in explaining the probability of default are: the degree of openness, a degree of ‘unluckiness’, international reserves and the risk-free interest rate. Mode was validated for 33 debtor countries. The empirical results suggest that economic liberalization decreases the probability of default, which implies that such a policy enhances creditworthiness. Also, they suggest that external conditions have contributed substantially to the financial crisis tat major borrowers face today; in particular, unluckiness and the persistence of shocks are shown to be important when explaining the probability of default. In addition, penalties reduce the DWL inherent in defaulting. The determinants of the spread over LIBOR are tested separately as an important implication of the model. <BR>11 Increasing returns, urban unemployment, and international capital mobility: A trade policy analysis<BR>Pages 181-193<BR>Anil K. Lal<BR> <BR> This paper compares the effects of tariffs, quotas and VER, both with and without international capital mobility, for a small open economy facing urban unemployment of unskilled labor and external increasing returns in the manufacturing sector. Expressions for the shadow price of foreign exchange and capital are derived under each type of trade restriction. It is shown that international capital mobility in such an economy unambiguously lowers the welfare cost of all forms of trade restriction, in contrast to the existing literature on full employment CRS economy, where international capital mobility unambiguously raises the welfare cost of tariff protection. <BR>12 The shadow price of foreign exchange in a dual economy<BR>Pages 195-202<BR>Chi-Chur Chao and Eden S. H. Yu<BR> <BR> This paper examines the shadow price of foreign exchange for a dual economy with tariffs, quotas, or VERs. We show that the shadow exchange rate is greater than the official rate in the presence of tariffs, whereas it is greater or smaller than the official rate in the presence of quotas, depending upon whether capital is sector-specific or perfectly mobile. Furthermore, the shadow exchange rate is unambiguously smaller than the official rate for the VER case when capital is intersectorally mobile. The rate, however, may be larger than the official rate when capital is sector-specific. The practical implications of the results for project appraisal are also discussed. </P>
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