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We examine factors affecting the adoption of improved cassava varieties of 217 households in the Cauca Department in southwest Colombia. Using DNA fingerprinting through Single Nucleotide Polymorphisms (SNPs), we identified different cultivars in farmers fields. We also used this information to remove possible bias in the adoption model that could have resulted from a misclassification of improved varieties (IVs). As a result, we found that farmers substantially overestimate their use of IVs and there are important differences in the determinants of adoption between farmer self‐identification and DNA fingerprinting. This finding implies that the incorporation of DNA fingerprinting in IV adoption studies is important to ensure the accuracy of future agricultural economic research and the relevance of subsequent policy recommendations.  相似文献   
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We investigate if participation in the Indian Self Help Group (SHG) program results in reducing poverty and vulnerability. The theoretical framework examines the mechanisms through which the pecuniary and non-pecuniary effects of the SHG impacts the households’ ability to manage risk. We use a vulnerability measure that quantifies the welfare loss associated with poverty and different types of risks, on an Indian panel survey data. Our results show that SHG members are less vulnerable compared with a group of non-SHG (control) members. About 80% of the vulnerability faced by the households is poverty related.  相似文献   
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Vertical Links Between Formal and Informal Financial Institutions   总被引:14,自引:1,他引:13  
The paper investigates vertical linkages between formal and informal financial institutions. Specifically, it studies a policy that expands formal credit to informal lenders, in the hope that this will improve loan terms for borrowers who are shut out of the formal sector. Special attention is paid to the Philippines. It is argued that the effects of stronger vertical links depend on the form of lender competition. In particular, if the relationship between lenders is one of strategic cooperation (sustained by threats of reprisal in a repeated setting), an expansion of formal credit may worsen the terms faced by informal borrowers.  相似文献   
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This study investigates the effects of gender on aggregate saving. We test the hypothesis that shifts in women's relative income, which can affect their bargaining power within the household, have a discernible impact on household saving and, by extension, gross domestic saving, due to differing saving propensities by gender. The empirical analysis is based on panel data for a set of semi-industrialised economies, covering the period 1975-95. The results indicate that, as some measures of women's relative income and bargaining power increase, gross domestic saving rates rise. The implied gender disparity in saving propensities may be linked to differences in saving motives based on gender roles, and well as divergent experiences of economic vulnerability. These findings suggest the importance of understanding gender differences in planning for savings mobilisation and in the formulation of financial and investment policies.  相似文献   
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We employ a new panel-based testing procedure that is robust to the uncertain persistence of regressors, time-varying volatility and cross-sectional error dependence in studying the predictive dynamics between conventional US monetary policy surprises and firm-level stock returns. We find that accounting for cross-sectional dependence by means of (estimated) factors considerably alters the predictive significance of monetary policy surprises depending on the sample period being studied. Concretely, during the period 1990–2000, monetary policy has no influence on future stock returns when cross-sectional dependence is accounted for by means of common factor augmentation. By contrast, the predictive power of monetary policy is even boosted when introducing common factors into the model when the period of analysis covers 2002–2007.  相似文献   
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Time use, work and overlapping activities: evidence from Australia   总被引:1,自引:0,他引:1  
The overlapping of activities is an important dimension of timeuse that has previously received little attention in economicanalysis. Most time-use studies have looked only at primaryactivities, ignoring the fact that individuals often performtwo or more activities simultaneously. This seriously underestimatesthe time spent on several economic activities such as childcareand housework which are also performed as secondary activities.Using a two-adult household sub-sample from the 1992 NationalAustralian Time Use Survey, this paper examines the incidenceand determinants of overlapping activities among 3,966 adultmale and female household members. It first shows that inclusionof overlapping activities in time-use measurements providesa better estimation of the economic contribution of individuals,especially in non-market production. Tobit models are then estimatedto examine the effects of economic, social and demographic factorson the incidence of overlapped work activity. The findings,which are found to be robust, showed that gender, householdlife cycle and composition, education, cultural norms, employmentstatus and level of income earnings influence the extent towhich individuals, particularly women, perform secondary workactivities. Conclusions are drawn in the final section of thepaper.  相似文献   
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