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11.
Matteo Grazzi 《Economics of Innovation and New Technology》2013,22(4):327-330
The diffusion of the Internet is becoming a central policy issue for developing countries, being identified by scholars as a key driver of knowledge, innovation and development. Remarkably, the related literature is scarce and fragmented. In order to contribute to fill this gap, we analyse Internet access and usage patterns in seven Latin American countries. In addition to the traditional socio-economic determinants of Internet access, the results also suggest an important role for network effects, presence of students at households and complementarities in Internet use at different locations. Concerning usage, estimations show that Internet access does not translate automatically into usage. In particular, females are found to be less likely to use the Internet, even once access is provided. Finally, the evidence suggests that while technological skills are necessary to fully exploit Internet potentialities, individuals located in rural areas are more likely to use the Internet for education purposes, confirming the potential connectivity impact on human capital. 相似文献
12.
We estimate a target zone model for three ERM exchange rates for 1983–6 and 1987–91 by the method of simulated moments, taking account of the continuous time specification by using daily data with the interruptions of holidays and weekends. Specification tests are unable to reject the model. The estimates imply, however, an essentially linear relationship between the exchange rate and the fundamentals, with a very limited 'honeymoon effect'. Using Monte Carlo simulations, calibrated on the estimates, we find that standard tests for mean reversion of the exchange rate would largely reject the target zone model when, in fact, it held. 相似文献
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14.
This paper investigates the effects of alternative or joint schemes of road pricing and parking pricing to verify if private behaviour in operating parking facilities, road tolling and transit systems can lead to profitable results in the private sector and for public welfare. The evaluation is carried out using an idealised urban multimodal traffic corridor with some numerical examples that show the effects of different pricing policies. A Deterministic User Equilibrium assignment procedure is used to calculate certain performance indicators such as user travel costs, social costs and private profit. The results show that the system is highly sensitive to pricing policy and that a proper joint pricing of park-and-ride facilities, city centre parking and road tolls can be developed to simultaneously attain good private and social benefits. 相似文献
15.
We provide methods for forecasting variables and predicting turning points in panel Bayesian VARs. We specify a flexible model, which accounts for both interdependencies in the cross section and time variations in the parameters. Posterior distributions for the parameters are obtained for hierarchical and for Minnesota-type priors. Formulas for multistep, multiunit point and average forecasts are provided. An application to the problem of forecasting the growth rate of output and of predicting turning points in the G-7 illustrates the approach. A comparison with alternative forecasting methods is also provided. 相似文献
16.
We examine how governance characteristics are related to the corporate choice between public and private debt. We find that firms with fewer takeover defenses and larger outside blockholder ownership are more likely to borrow from banks and to issue 144A debt. We also document that public debt cost is more sensitive to takeover exposure than bank debt cost. These results are consistent with the hypothesis that banks mitigate the expected negative effect of takeovers on debt value through covenants and debt renegotiations. Moreover, we show that firms with weaker internal monitoring are less likely to borrow from banks. 相似文献
17.
This study examines the phenomenon of co‐CEOs within publicly traded firms. Although shared executive leadership is not widespread, it occurs within some very prominent firms. We find that co‐CEOs generally complement each other in terms of educational background or executive responsibilities. Our results show that firms most likely to appoint co‐CEOs have lower leverage, a more limited firm focus, less independent board structure, fewer advising directors, lower institutional ownership, and greater levels of merger activity. The governance structure of co‐CEO firms suggests that co‐CEOships can serve as an alternative governance mechanism, with co‐CEO mutual monitoring substituting for board or external monitoring and co‐CEO complementary skills substituting for board advising. An event study indicates that the market reacts positively to appointments of co‐CEOs while a propensity score analysis shows that the presence of co‐CEOs increases firm valuation. 相似文献
18.
This article explains how to obtain straightforward extensions of the most popular univariate non‐nested statistics, and of the RESET‐test, to a multivariate context and examines how to use these tests to compare alternative factor demand systems. The empirical application involves the classical Berndt–Khaled KLEM data set. A statistically adequate specification is determined for each competing factor demand system. The empirical results are interpreted for each system, the models are compared on the basis of multivariate paired and joint non‐nested procedures and practical indications about what to expect if these tests are applied to alternative factor demand specifications are provided. 相似文献
19.
The Coasean theory of the firm (Coase in Economica 4:386–405, 1937) has flourished with the theory of incomplete contracts. Transaction costs in the form of enforcement costs have been deemed to be the main determinants of the decision to ‘make’ versus ‘buy’. Surprisingly, this stream of literature has almost neglected that transaction costs may also generate incomplete property rights (Coase in J Law Econ 3:1–44, 1960). As firm’s activities entail both contractual and property rights, these two domains interfere each other on the decision to carry out a transaction within the firm. When property rights are incomplete, potential externalities may increase the cost of using the price mechanism to procure the assets needed in a given transaction. The resulting ‘Coasean firm’ would not only centralize incomplete contracts under a unified governance system, but it will also aggregate incomplete property rights under a unified ownership structure. 相似文献
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ABSTRACTThe paper investigates the determinants of private investment and economic growth from a theoretical perspective. We start with a critical analysis of the crowding-out effect and we present a new version of the Sraffian Supermultiplier: a model that accounts for both the multiplier and accelerator effects. We focus on different types of fiscal policies: generic ones and ‘mission-oriented’ ones that set a new direction for the economy. We show that mission-oriented policies have the potential to generate the largest positive effect on investments and output growth as well as on innovation processes and labour productivity growth. 相似文献