Measuring Securities Market Efficiency in the Regulatory Setting

In Nov 1998, the SEC proposed a modification to the federal securities law disclosure requirements to facilitate the process of issuing new securities. Thomas and Cotter discuss how to determine when companies should be able to issue simplified disclosure documents

Learning on the Cheap and Quick: Gains from trade through imported expertise

Gains from knowledge transmission arising from the presence of foreign firms has received a good deal of empirical attention, but micro-foundations for this mechanism are weak . Here we focus on production by foreign experts who may train domestic unskilled workers who work with them. Gains from training can in turn be decomposed into two types: (a) obtaining knowledge and skills at a lower cost than if they are self-taught at home, (b) producing domestic skilled workers earlier in time than if they the domestic economy had to rediscover the relevant knowledge through “reinventing the wheel”. We develop a three-period model in which the economy initially has no skilled workers. Workers can withdraw from the labor force for two periods of self study and then produce as skilled workers in the third period. Alternatively, foreign experts can be hired in period 1 and domestic unskilled labor working with the experts become skilled in the second period. We analyze how production, training, and welfare depend on two important parameters: the cost of foreign experts and the learning (or “absorptive”) capacity of the domestic economy.

Flight-testing of the self-repairing flight control system using the F-15 highly integrated digital electronic control flight research facility

Flight tests conducted with the self-repairing flight control system (SRFCS) installed on the NASA F-15 highly integrated digital electronic control aircraft are described. The development leading to the current SRFCS configuration is highlighted. Key objectives of the program are outlined: (1) to flight-evaluate a control reconfiguration strategy with three types of control surface failure; (2) to evaluate a cockpit display that will inform the pilot of the maneuvering capacity of the damage aircraft; and (3) to flight-evaluate the onboard expert system maintenance diagnostics process using representative faults set to occur only under maneuvering conditions. Preliminary flight results addressing the operation of the overall system, as well as the individual technologies, are included

Comparison of Heat Transfer from Airfoil in Natural and Simulated Icing Conditions

An investigation of the heat transfer from an airfoil in clear air and in simulated icing conditions was conducted in the NACA Lewis 6- by 9-foot icing-research tunnel in order to determine the validity of heat-transfer data as obtained in the tunnel. This investiation was made on the same model NACA 65,2-016 airfoil section used in a previous flight study, under similar heating, icing, and operating conditions. The effect of tunnel turbulence, in clear air and in icingwas indicated by the forward movement of transition from laminar to turbulent heat transfer. An analysis of the flight results showed the convective heat transfer in icing to be considerably different from that measured in clear air and. only slightly different from that obtained in the icing-research tunnel during simulated icing

Learning on the quick and cheap: gains from trade through imported expertise

Gains from productivity and knowledge transmission arising from the presence of foreign firms has received a good deal of empirical attention, but micro-foundations for this mechanism are weak . Here we focus on production by foreign experts who may train domestic unskilled workers who work with them. Gains from training can in turn be decomposed into two types: (a) obtaining knowledge and skills at a lower cost than if they are self-taught at home, (b) producing domestic skilled workers earlier in time than if they the domestic economy had to rediscover the relevant knowledge through "reinventing the wheel". We develop a three-period model in which the economy initially has no skilled workers. Workers can withdraw from the labor force for two periods of self study and then produce as skilled workers in the third period. Alternatively, foreign experts can be hired in period 1 and domestic unskilled labor working with the experts become skilled in the second period. We analyze how production, training, and welfare depend on two important parameters: the cost of foreign experts and the learning (or "absorptive") capacity of the domestic economy. --learning,transmission mechanism,multinationals,imported

Learning on the Quick and Cheap: Gains from Trade Through Imported Expertise

Gains from productivity and knowledge transmission arising from the presence of foreign firms has received a good deal of empirical attention, but micro-foundations for this mechanism are weak . Here we focus on production by foreign experts who may train domestic unskilled workers who work with them. Gains from training can in turn be decomposed into two types: (a) obtaining knowledge and skills at a lower cost than if they are self-taught at home, (b) producing domestic skilled workers earlier in time than if they the domestic economy had to rediscover the relevant knowledge through reinventing the wheel'. We develop a three-period model in which the economy initially has no skilled workers. Workers can withdraw from the labor force for two periods of self study and then produce as skilled workers in the third period. Alternatively, foreign experts can be hired in period 1 and domestic unskilled labor working with the experts become skilled in the second period. We analyze how production, training, and welfare depend on two important parameters: the cost of foreign experts and the learning (or absorptive') capacity of the domestic economy.

Foreign direct investment in services and the domestic market for expertise

A growing body of evidence suggests that the close availability of diverse business services is important for economic growth. Producer services such as managerial and engineering consulting can provide specialized knowledge to help domestic firms develop at lower unit cost. But these intermediate services are often nontraded, or costly to trade, which may be one reason that cities and industrial complexes form and economic performance differs across regions. Because services are costly to trade, foreign services are best transferred through foreign direct investment. This has important implications for public policy. Policies that affect foreign direct investment differ considerably from those that affect trade in goods. The authors develop a model of services, results from which show that: A) Liberalizing restraints on inward foreign direct investment has a powerful positive impact on the income and welfare of the importing country. The impact is much stronger than in traditional competitive models of trade in goods. B) Policies to protect domestic skilled labor against competition from imported services can have the perverse effect of lowering returns to domestic skilled labor-because while imported services economize on the use of domestic skilled labor (compared with domestic service industries), the positive effects on scale and productivity in the downstream industry can be powerful enough that the real wages of domestic skilled labor rise after the liberalization of foreign direct investment in service industries. In other words, domestic skilled labor and foreign direct investment are partial-equilibrium substitutes in the model but are typically general-equilibrium complements. C)The increase in the variety of imported services leads to increased total factor productivity in downstream industries, but the relative impact on downstream industries depends on how intensively they use intermediate services. The differential in effects on productivity in the production of final goods can be strong enough that permitting foreign direct investment can actually affect whether a good is exported rather than being imported. Policymakers should be aware that protection of a domestic service industry affects different constituencies differently. Although domestic capital owners may be adversely affected by foreign direct investment, domestic skilled workers in the industry are likely to see demand for their skills-and their real wages-rise. Moreover, downstream industries that use the service unambiguously benefit from foreign direct investment and their expansion can be surprisingly strong.Payment Systems&Infrastructure,Environmental Economics&Policies,Economic Theory&Research,Banks&Banking Reform,Health Economics&Finance,Environmental Economics&Policies,Economic Theory&Research,Health Economics&Finance,Banks&Banking Reform,Municipal Financial Management

Enhancing the Quality of Data on Income: Recent Developments in Survey Methodology

In this paper, we evaluate two survey innovations aimed at improving income measurement. These innovations are (1) integrating the question sequences for income and wealth which may elicit more accurate estimates of income from capital than has been true in the past, and (2) changes in the periodicity over which income flows are measured, which may provide a closer match between what the survey respondent knows best and the periodicity contained in survey measurement. These innovations have been introduced into both the Health and Retirement Study (HRS) and the study of Asset and Health Dynamics Among the Oldest Old (AHEAD). Based on the results reported in this paper, the potential return in quality of income measurement from these innovations is substantial.

Foreign Direct Investments in Services and the Domestic Market for Expertise

Producer services such as managerial and engineering consulting can provide domestic firms with the substantial benefits of specialized knowledge that would be costly in terms of both time and money for domestic firms to develop on their own. These intermediate services are often non-traded, or costly to trade, and are best transferred through foreign direct investment. This has important implications for public policy since policies that impact on foreign direct investment are often quite different from those that impact on trade in goods. We develop a model of these services in this paper. Results show that: (1) while imported services are partial-equilibrium substitutes for domestic skilled labor, they may be general-equilibrium complements, (2) imported services lead to differential productivity effects in final goods production so that, for example, the pattern of trade in goods can reverse when FDI is permitted, and (3) the optimal tax on FDI (which we do not advocate as a practical matter) is negative.

Migration, trade, and development: an overview

Simple, neoclassical economic models predict that prices should drive factors such as labor and capital across regions and countries toward their most valuable use. As this happens, developing countries, which are typically labor-rich and capital-scarce, should experience more rapid growth, higher income, and eventually convergence to industrial world levels of well-being. This process is happening slowly in some cases, but in other cases not at all. Do migration and trade speed this convergence? If so, how? If not, why?Emigration and immigration ; International trade ; Economic development ; Developing countries