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71.
Martin Carree Emilio Congregado Antonio Golpe 《Entrepreneurship & Regional Development》2013,25(3-4):181-201
Many regional development policy initiatives assume that entrepreneurial activities promote economic growth. Empirical research has presented rationale for this argument showing that small firms create proportionally more new jobs than large firms. However, little research has been performed on the issue of net job generation at the urban level, particularly when self-employment is considered as an indicator of entrepreneurial activities. This paper investigates to what extent US metropolitan areas in the 1969–2009 period characterized by relatively high rates of self-employment also have shown relatively high rates of subsequent total employment growth. The analysis corrects for the influence of sectoral composition, wage level, educational attainment, presence of research universities and size of the metropolitan area to measure the extent to which the number and quality of self-employed in a region contribute to total employment growth. It finds the relationship between self-employment rates and subsequent total employment growth to be positive on average during the 40-year period but to weaken over time. 相似文献
72.
73.
Faaiqa Hartley Dirk van Seventer Emilio Tostão Channing Arndt 《Development Southern Africa》2019,36(2):233-249
ABSTRACTMozambique is one of the most promising African countries for producing biofuels and the national biofuel policy of 2009 identifies measures to incentivize biofuel production. Demand for biofuels in the Southern African Development Community is expected to increase over the next few years as 7 of its 15 member states have implemented or proposed the implementation of blending mandates by 2020. South Africa is one of these countries. Using a dynamic recursive computable general equilibrium (CGE) model, we estimate the impacts of expanding biofuel production in Mozambique under both commercial and smallholder-type farming models, including and excluding bagasse cogeneration. 相似文献
74.
75.
This paper investigates relationships between the spread component costs (adverse selection, order processing and inventory costs) and stock trading characteristics in the Spanish Stock Exchange (SSE), taking into account the random nature of these costs. First, we analyse the statistical properties of estimated spread components in the market, which are obtained by using two statistical models to decompose the bid–ask spread. We then propose a fractional response regression model based on two flexible cross-sectional probability density functions with covariates which accommodate certain aspects of the empirical estimates, such as skewness and bounded distribution. Our model has two main advantages: (i) it can be implemented easily in a maximum likelihood framework; (ii) in contrast to linear regression models, it provides a useful estimate of the statistical significance of the parameters, and predicts costs not only at the conditional mean but also by using quantiles of the estimated conditional distribution. The empirical results corroborate the presence of statistically significant large order processing costs and smaller adverse selection and inventory costs in the SSE. These spread components have a skewed empirical distribution and the proposed fractional regression models represent the behaviour of these costs reasonably well, surpassing the linear regression model in various specification tests. 相似文献
76.
Several studies have observed asymmetric behavior between sale prices in the supermarket and the price paid to the farmer. This article presents the consequences derived from a simplified framework considering a scenario in which the retailer wishes to maintain balanced profits due to external pressures or because the retailers' strategy to differentiate themselves from the competition requires greater integration in the supply chain. It is shown that the price-fixing decision of the distributor may depend on the risk, measured by the relationship between demand elasticity and variable costs, as a result of uncertainty in consumer response to price variations. This risk arises from the existence of supply that is highly changeable in the short term and demand that is unpredictable. 相似文献
77.
As several European governments develop new start-up programmes during recessions, the appropriateness of these policies recently has become a hot policy issue. This study suggests that the contribution of these incentives is dubious, if aimed to combat economic and jobs crises as part of the entrepreneurship policy, and can be shaped by various country-specific factors, such as the economic situation and the stringency of labour laws. To provide support for these claims, this paper investigates the underlying determinants of an individual's decision to switch from unemployment to self-employment in Europe and stresses the need to devote special attention to the role of three essential dimensions: (i) the existing heterogeneity within self-employment, by considering self-employed individuals who hire employees (employers) and self-employed individuals without personnel (own-account workers) as separated groups; (ii) the effects of different measures of social capital and network contacts, as forms of micro level institutional factors; and (iii) the explanatory power of cross-country differences in the state of the economy, expenditure on start-up incentives, and the stringency of labour laws, as forms of macro level institutional factors. This study has useful theory and policy implications for entrepreneurship development. 相似文献
78.
This paper studies the features of de novo Co-operative Credit Banks (CCBs) established in Italy during the 1990s. It shows that de novo CCBs in the start-up period are endowed with a higher default risk than long-run incumbent CCBs. Split-population duration models distiguish the determinants of duration and probability of default. The focus is on those determinants related to market structure. We find that duration is positively related to the market share of large banks. Conversely, duration is higher when there are no incumbent CCBs in the same market. Survival probability is directly related to the local level of GDP.All correspondence to Paolo Emilio Mistrulli. The authors thank Francesco Cesarini, Robert DeYoung, Roberto Di Salvo, Dario Focarelli, Eugenio Gaiotti, Leonardo Gambacorta, Giorgio Gobbi, Francesca Lotti, Fabio Panetta, Alberto F. Pozzolo and two anonymous referees for very valuable comments. Any remaining errors are those of the authors alone. The opinions expressed do not necessarily reflect those of the institutions with which they are affiliated.First version received: October 2001/Final version received: February 2004 相似文献
79.
This paper is devoted to the study of infinite horizon continuous time optimal control problems with incentive compatibility constraints that arise in many economic problems, for instance in defining the second best Pareto optimum for the joint exploitation of a common resource, as in Benhabib and Radner [Benhabib, J., Radner, R., 1992. The joint exploitation of a productive asset: a game theoretic approach. Economic Theory, 2: 155–190]. An incentive compatibility constraint is a constraint on the continuation of the payoff function at every time. We prove that the dynamic programming principle holds, the value function is a viscosity solution of the associated Hamilton–Jacobi–Bellman (HJB) equation, and that it is the minimal supersolution satisfying certain boundary conditions. When the incentive compatibility constraint only depends on the present value of the state variable, we prove existence of optimal strategies, and we show that the problem is equivalent to a state constraints problem in an endogenous state region which depends on the data of the problem. Some economic examples are analyzed. 相似文献
80.
Emilio Espino 《Journal of Economic Theory》2007,137(1):673-687
This paper studies equilibrium portfolios in the standard neoclassical growth model under uncertainty with heterogeneous agents and dynamically complete markets. Preferences are purposely restricted to be quasi-homothetic. The main source of heterogeneity across agents is due to different endowments of shares of the representative firm at date 0. Fixing portfolios is the optimal equilibrium strategy in stationary endowment economies with dynamically complete markets. However, when the environment displays changing degrees of heterogeneity across agents, the trading strategy of fixed portfolios cannot be optimal in equilibrium. Very importantly, our framework can generate changing heterogeneity if and only if either minimum consumption requirements are not zero or labor income is not zero and the value of human and non-human wealth are linearly independent. 相似文献