Returns to scale: concept,estimation and analysis of Japan's turbulent 1964–88 economy

Abstract There is policy interest in factoring productivity growth into technical progress and returns to scale components. Our approach uses exact index number methods to reduce the parameters that must be estimated, and allows us to exploit the cross‐sectional dimension of plant‐level panel data. We show that the same equation can also be used to estimate ‘Harberger’ scale economies and technical progress indicators that require fewer assumptions. Estimates of the elasticity of scale for Japanese establishments in three major industries over 1964–88 are presented. Our study spans the high growth era of the 1960s, two oil shocks, and other exogenous shocks.     

Retaining telecommunication services when universal service is defined by functionality: Japanese consumers' willingness-to-pay

This study uses contingent valuation to measure Japanese customers' willingness-to-pay to maintain combinations of five telecommunication services that are considered substitutes if universal service is defined on the basis of functionality. The analysis revealed the following results. First, consumers are more willing to pay to retain voice communication services than data transmission services. Second, customers accept Internet Protocol telephony as a substitute for plain old telephone service (POTS) as a universal service, and they are willing to pay much more than Japan's current Universal Service Fund charge. Third, even when mobile phone service (MOB) is available, consumers will pay to retain fixed-line voice services. Finally, consumers have an equal desire to keep fiber-to-the-home (FTTH) and fixed-line voice services, but it is less than the demand for MOB. Thus, under the present definition of POTS as a universal service, FTTH could be considered as a basic telecommunication service.     

A credit market in early stages of economic development

Even if the relatively rich and the poor are initially caught in a poverty trap, the relatively rich can escape poverty by receiving payments from the poor. Further accumulation of wealth by the rich allows the poor to escape poverty.     

Adoption and policy implications of Japan’s new corporate governance practices after the reform

In this paper we explain the process and policy implications of Japanese firms’ adoption of recently reformed corporate governance practices. We use a selective adaptation framework in doing so. We present some qualitative predictions about the possible outcome of their adoption process. One advantage of our approach is that we can describe various aspects of the evolutionary process of Japan’s corporate governance reform as a system in a consistent manner, rather than as independent pieces. Our predictions provide policy implications and are empirically testable. Japan’s post-bubble corporate governance reform has been extensive and involves the enactment and revisions of many relevant laws and affected institutions. Japan’s aim has been to install US-like practices (the de facto global standard), with these practices replacing the now tarnished bank-centered practices, and to facilitate Japanese industry in regaining global competitiveness. However, we show that Japanese businesses’ adoption of US practices has been selective and efficiency and other policy implications of such behavior are potentially dysfunctional.     

Price dynamics, retail chains and inflation measurement

We use a large scanner price dataset to study grocery price dynamics. Previous analyses based on store scanner data emphasize differences in price dynamics across products. However, we also document large differences in price movements across different grocery store chains. A variance decomposition indicates that characteristics at the level of the chains (as opposed to individual stores) explain a large fraction of the total variation in price dynamics. Thus, retailer characteristics are found to be crucial determinants of heterogeneity in pricing dynamics, in addition to product characteristics. We empirically explore how the price dynamics we document affect price index measures.     

Corporate Perspectives on the Development and Use of Sustainability Reports

The purpose of this paper is to explore corporate perspectives on the development and use of sustainability reports. Interviews with experts from 35 Canadian corporations were conducted. The research showed that the content of the reports was determined by following standards, conducting an internal evaluation, and other methods. Five corporations were found to develop fully integrated reports, while another 15 included some sustainability aspects in their annual reports. The extent of external stakeholder involvement in the development of the report varied widely, but the majority of the corporations considered stakeholder input. Data collection was handled by a number of different individuals and groups, with sustainability departments often taking a lead role. Twenty-five corporations relied exclusively on internal personnel to write the report, with the remaining corporations using a combination of internal and external writers. A number of key challenges in developing sustainability reports were identified, including timelines, data collection, selecting content, and striking an appropriate balance in reporting. The reports were used internally in a number of different ways, including enhancing employee awareness and engagement and as an internal reference tool. A number of potential future uses of sustainability reports were also mentioned, such as improving the ability to track real-time performance.     

Price versus quantity in a duopoly with network externalities under active and passive expectations

This study examines the endogenous choice of strategic contracts in a duopoly composed of firms that produce goods with network externalities with some sort of compatibility. We adopt two types of expectations—active and passive—as consumers' expectations for each firm's equilibrium market share. In addition, we take into account the managerial case and entrepreneurial case with and without separation between ownership and management, as firms' internal structures. We derive the properties in the Cournot competition and the Bertrand competition as the equilibrium market structures under both passive and active expectations under imperfectly compatibility of networks.     

An Axiomatic Foundation of the Multiplicative Human Development Index

The aggregation formula in the Human Development Index (HDI) was changed to a geometric mean in 2010. In this paper, we search for a theoretical justification for employing this new HDI formula. First, we find a maximal class of index functions, what we call quasi‐geometric means, that satisfy symmetry for the characteristics, normalization, and separability. Second, we show that power means are the only quasi‐geometric means satisfying homogeneity. Finally, the new HDI is the only power mean satisfying minimal lower boundedness, which is a local complementability axiom proposed by Herrero et al. (2010).     

The Effects of Differential Income Replacement and Mortality on U.S. Social Security Redistribution

We study redistribution via the U.S. Social Security retirement system for cohorts of men born during the second half of the 20th century. Our focus is on redistribution across race and education groups. The cohorts we study are younger than cohorts studied in previous, similar research and thus more exposed to recent increases in earnings inequality. All else equal, this should increase the degree of progressivity of Social Security redistribution due to the structure of the benefit formula. However, we find that redistribution is only modestly progressive for individuals born as late as 1980. Differential mortality rates across race and education groups are the primary explanation. While Black–White mortality gaps have narrowed some in recent years, they remain large and dull progressivity. Mortality gaps by education level are also large and unlike the gaps by race, they are widening, which puts additional regressive pressure on Social Security redistribution.     

A contingent claim analysis of closed-end fund premia

We estimate contingent claims that replicate monthly net asset value (NAV) payoffs from closed-end funds. A claim's theoretical value is obtained by martingale pricing methods. The resulting net present value (NPVS) sequence is the theoretical premia sequence that is compared to the actual market premia sequence. The theoretical premia, like actual premia, are uncorrelated with NAV returns and are positively autocorrelated due to autocorrelation in the pricing information. However, there is poor correspondence between the theoretical and actual premia that seems due to the market's systematic errors in estimating a fund's management value. Risky arbitrage may be available to insiders.