Whether promoting cash crop production can increase household welfare has long been the focus of the food policy debate.This study first investigated the determinants of household behavior in commercial pulse farming....Whether promoting cash crop production can increase household welfare has long been the focus of the food policy debate.This study first investigated the determinants of household behavior in commercial pulse farming.It then examined how households'commercial pulse production improves their economic welfare.We used a dataset of 848 households collected from 2018 to 2019 to estimate the determinants of household behavior in commercial pulse farming by the Heckman two-step model.The endogenous treatment regression(ETR)method was employed to examine the impact of commercial pulse farming on household economic welfare.The results showed that factors such as market purchase prices,agricultural technology services,farmers'access to loans,and government subsidies promoted smallholders'commercial pulse farming;production costs and perceptions of climate change risks constrained smallholders'commercial pulse production.Overall,commercial pulse production has increased household farm income but there was a limited impact on household off-farm income.Our findings suggest that policies aiming to increase households'cash crop production and market access could significantly improve the economic welfare of pulse farmers.展开更多
This study examines the interaction effects of foreign capital inflows and financial development on economic welfare in sub-Saharan Africa(SSA).Estimates based on the system-GMM estimator using panel data on 23 SSA co...This study examines the interaction effects of foreign capital inflows and financial development on economic welfare in sub-Saharan Africa(SSA).Estimates based on the system-GMM estimator using panel data on 23 SSA countries for 2000 to 2013 establish several results.First,the interaction between foreign capital inflows and financial development positively affects economic welfare in SSA.However,this effect was negative after one year.Second,the partial indirect effects of foreign capital inflows on economic welfare,conditional on the level of financial development,are positive,though they become negative after one year.Third,the total effect of foreign capital inflows on economic welfare is positive.The effect becomes negative after a year,though the predominant source of financial development is domestic credit.The consistency of these results indicates the importance of financial development in transmitting foreign capital to economic welfare enhancement.Developing the SSA’s financial sector to meet specific welfare-enhancing demands may potentially convert a large share of capital inflows into improved economic welfare and eliminate the negative effects.展开更多
The normative theory of economic evaluation and its welfare theoretic basis are deeply problematical and result in recommendations which are potentially unfair. The root cause of the problem is the set of assumptions ...The normative theory of economic evaluation and its welfare theoretic basis are deeply problematical and result in recommendations which are potentially unfair. The root cause of the problem is the set of assumptions behind the theory which posit behaviours and motivations that are not universal, and which exclude other behaviours and motivations that are potentially important. As falsification of assumptions may be evaded indefinitely this paper presents an alternative critique. We commence with six an- omalies with the theory which are attributable to the assumptions. The first three—the net present value criterion, the willingness to pay criterion and moral hazard—arise from welfare theory. The remaining three are associated with the present definition of cost, the concept of efficiency and the omission of sharing, which are common to most economic evaluation. We argue that these anomalies are indicative of a defective core theory and that they are equivalent to observations that conflict with a positive theory. In the final section we outline and illustrate a more general framework for decision making that is capable of overcoming the ano- malies we discuss.展开更多
基金supported by the China Agriculture Research System of MOF and MARA(CARS-08-G21)the National Natural Science Foundation of China(71904190)。
文摘Whether promoting cash crop production can increase household welfare has long been the focus of the food policy debate.This study first investigated the determinants of household behavior in commercial pulse farming.It then examined how households'commercial pulse production improves their economic welfare.We used a dataset of 848 households collected from 2018 to 2019 to estimate the determinants of household behavior in commercial pulse farming by the Heckman two-step model.The endogenous treatment regression(ETR)method was employed to examine the impact of commercial pulse farming on household economic welfare.The results showed that factors such as market purchase prices,agricultural technology services,farmers'access to loans,and government subsidies promoted smallholders'commercial pulse farming;production costs and perceptions of climate change risks constrained smallholders'commercial pulse production.Overall,commercial pulse production has increased household farm income but there was a limited impact on household off-farm income.Our findings suggest that policies aiming to increase households'cash crop production and market access could significantly improve the economic welfare of pulse farmers.
文摘This study examines the interaction effects of foreign capital inflows and financial development on economic welfare in sub-Saharan Africa(SSA).Estimates based on the system-GMM estimator using panel data on 23 SSA countries for 2000 to 2013 establish several results.First,the interaction between foreign capital inflows and financial development positively affects economic welfare in SSA.However,this effect was negative after one year.Second,the partial indirect effects of foreign capital inflows on economic welfare,conditional on the level of financial development,are positive,though they become negative after one year.Third,the total effect of foreign capital inflows on economic welfare is positive.The effect becomes negative after a year,though the predominant source of financial development is domestic credit.The consistency of these results indicates the importance of financial development in transmitting foreign capital to economic welfare enhancement.Developing the SSA’s financial sector to meet specific welfare-enhancing demands may potentially convert a large share of capital inflows into improved economic welfare and eliminate the negative effects.
文摘The normative theory of economic evaluation and its welfare theoretic basis are deeply problematical and result in recommendations which are potentially unfair. The root cause of the problem is the set of assumptions behind the theory which posit behaviours and motivations that are not universal, and which exclude other behaviours and motivations that are potentially important. As falsification of assumptions may be evaded indefinitely this paper presents an alternative critique. We commence with six an- omalies with the theory which are attributable to the assumptions. The first three—the net present value criterion, the willingness to pay criterion and moral hazard—arise from welfare theory. The remaining three are associated with the present definition of cost, the concept of efficiency and the omission of sharing, which are common to most economic evaluation. We argue that these anomalies are indicative of a defective core theory and that they are equivalent to observations that conflict with a positive theory. In the final section we outline and illustrate a more general framework for decision making that is capable of overcoming the ano- malies we discuss.
