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41.
Few would contest that teachers are a very important determinant of how much students learn in school, and how to improve teacher performance has been the focus of lively policy debate in both rich and poor countries. This paper examines how teacher incentives, both pecuniary and non‐pecuniary, correlate with teacher effort. Using school survey data from Lao PDR, we estimate measures of teacher effort, including the number of hours that teachers spend preparing for classes and teacher provision of private tutoring outside of class hours, which are not the typical measures used in previous research. Estimation results fit well under the standard labour supply framework and indicate that greater teacher effort is associated with non‐pecuniary incentives such as more teacher autonomy over teaching materials and monitoring as measured by the existence of an active parent – teacher association and the ability of school principals to dismiss teachers. Methodologically, this paper provides a detailed derivation of a simultaneous OLS‐probit model with school random effects that can jointly estimate teacher work hours and tutoring provision. 相似文献
42.
This paper examines the nature of information asymmetry between foreign and local investors on the Helsinki stock exchange (HEX) for the period 1999–2004. We take into account the differences in informational characteristics by partitioning stocks into single-listed, cross-listed and internationally well-known stock categories, after which we compare foreign and local investors’ performance and trading advantages. Local investors have trading advantages in the short term in all stock categories. However, such local advantages diminish for Nokia, the only internationally well-known stock on HEX. 相似文献
43.
Davide La Vecchia 《Revue internationale de statistique》2016,84(2):267-290
We review some first‐order and higher‐order asymptotic techniques for M‐estimators, and we study their stability in the presence of data contaminations. We show that the estimating function (ψ) and its derivative with respect to the parameter play a central role. We discuss in detail the first‐order Gaussian density approximation, saddlepoint density approximation, saddlepoint test, tail area approximation via the Lugannani–Rice formula and empirical saddlepoint density approximation (a technique related to the empirical likelihood method). For all these asymptotics, we show that a bounded ψ (in the Euclidean norm) and a bounded (e.g. in the Frobenius norm) yield stable inference in the presence of data contamination. We motivate and illustrate our findings by theoretical and numerical examples about the benchmark case of one‐dimensional location model. 相似文献
44.
Cuong Le Van Phu Nguyen‐Van Amlie Barbier‐Gauchard Duc‐Anh Le 《Journal of Public Economic Theory》2019,21(1):116-134
This paper analyzes the relationship between government expenditure, tax on returns to assets, public debt, and growth in an endogenous growth model. Public debt is composed of two components, domestic debt and external debt. We show conditions for existence, uniqueness, and multiplicity of the steady states. More precisely, existence of steady state requires a sufficiently high productivity and a sufficiently low tax on returns to assets. We also provide the effects of an increase in the tax rate on returns to assets on the steady state. In particular, the relation between public spending and the tax rate has a bell shape. Domestic debt unambiguously increases with tax whereas external debt displays an inverted U‐shaped curve. A high tax rate leads to a reallocation of public debt in favor of domestic debt (to the detriment of external debt). The effect of taxation on consumption (and production) also displays a nonlinear pattern when the output elasticity of capital is lower than unity (the effect is monotonously increasing if this elasticity is unity). We also derive the conditions under which a tax increase can boost or reduce the balanced growth rate. 相似文献
45.
Corporate Ownership Around the World 总被引:230,自引:0,他引:230
Rafael La Porta Florencio Lopez-De-Silanes & Andrei Shleifer 《The Journal of Finance》1999,54(2):471-517
We use data on ownership structures of large corporations in 27 wealthy economies to identify the ultimate controlling shareholders of these firms. We find that, except in economies with very good shareholder protection, relatively few of these firms are widely held, in contrast to Berle and Means's image of ownership of the modern corporation. Rather, these firms are typically controlled by families or the State. Equity control by financial institutions is far less common. The controlling shareholders typically have power over firms significantly in excess of their cash flow rights, primarily through the use of pyramids and participation in management. 相似文献
46.
The quality of government 总被引:44,自引:0,他引:44
La Porta R; Lopez-de-Silanes F; Shleifer A; Vishny R 《Jnl. of Law, Economics, and Organization》1999,15(1):222-279
We investigate empirically the determinants of the quality ofgovernments in a large cross-section of countries. We assessgovernment performance using measures of government intervention,public sector efficiency, public good provision, size of government,and political freedom. We find that countries that are poor,close to the equator, ethnolinguistically heterogeneous, useFrench or socialist laws, or have high proportions of Catholicsof Muslims exhibit inferior government performance. We alsofind that the larger governments tend to be the better performingones. The importance of (reasonably) exogenous historical factorsin explaining the variation in government performance acrosscountries sheds light on the economic, political, and culturaltheories of institutions. 相似文献
47.
We review the evolution of modern Chinese intellectual property right (IPR) laws and enforcement and explore economic and political forces involved in international conflicts over Chinese IPR protection. Our analysis considers why the US and China moved from conflict to cooperation over intellectual property rights. Structural and institutional aspects of the political economy of IPRs within each country are considered, and data on Chinese‐US trade in intellectual property‐intensive goods are examined. We conclude that although enforcement of IPRs within China continues to be relatively weak, Chinese IPR institutions are converging on those in the OECD nations. 相似文献
48.
Maria Berrittella Luigi La Franca Pietro Zito 《Journal of Air Transport Management》2009,15(5):249-255
This paper develops an application of the analytic hierarchy process to rank the operating cost components of full service and low cost airlines. It takes into account the financial balance sheets and answers to a questionnaire submitted to the managers of selected airlines. The results suggest that the analytic hierarchy process can be appropriately used to obtain the ranking of the costs taking into account different views: financial, management and operative. Rental, office equipment and other supplies costs show the highest importance in the cost ranking, both for full services and low cost airlines. The robustness of the results is tested by Monte Carlo analysis. 相似文献
49.
Vikash Ramiah Imad Moosa Huy Nguyen Anh Pham Anthony Scundi Wai Han Teoh 《Applied economics》2013,45(44):4777-4792
The event study methodology of Brown and Warner (1985) is adopted and augmented to evaluate the effect of the launch of multilateral trading systems on risk and return in equity markets. The methodology is supplemented with various techniques, such as the nonparametric ranking test and kernel regression, to find out if announcements about the introduction of Chi-X Australia generated abnormal returns (ARs). Asset pricing models are fitted with interaction variables, while GARCH, threshold ARCH (TARCH), exponential GARCH (EGARCH) and power-ARCH (PARCH) are used to determine changes in systematic risk. We find evidence in favour of Fisher’s separation theorem and detect a new market anomaly, which we call the ‘Fisher market anomaly’. Our results show that Chi-X system testings affect ARs. Consistent with the adaptive expectations theory, we confirm that the first announcement about the launch of Chi-X affected systematic risk the most. In addition, we identify industry and firm effects in risk analysis. 相似文献
50.
Olivier Mortehan Bruno Van Pottelsberghe De La Potterie 《Technology Analysis & Strategic Management》2013,25(2):127-144
In the information technology (IT) industry, which confronted a major transition phase during the 1990s, partnerships became a strategic component of the new ‘divided technical leadership’ that emerged from the industry's vertical disintegration. This paper attempts to evaluate the impact of 1676 partnerships on the financial performance (revenue and profit) of 14 large firms and 725 of their partners. On average, there is a positive impact of collaborative agreements on large incumbents and their partners' financial performance. These results vary according to the type, form and content of the agreement and according to the partner's field of activity. Incumbents get the most benefit from broad informal alliances while smaller and more hierarchical forms of partnerships (consortia, joint-ventures) do profit to their partners. For large incumbents, partnerships are more effective with partners from the services industry than with partners from the IT industry. 相似文献