THE ECONOMIC RETURNS TO AN MBA*

Because MBA programs require work experience before admittance, prior wages can be exploited to disentangle the return to the degree from unobserved productivity. We find that controlling for individual fixed effects generally reduces the estimated returns to an MBA, particularly for those in top programs. However, for full‐time MBA students attending schools outside of the top‐25 the estimated returns are higher when we control for individual fixed effects. We show that there is some evidence that those who take the GMAT but do not obtain an MBA are stronger in dimensions such as workplace skills that are not easily measured.     

DESIGNING POLICY TO OPEN TRADE*

In this paper we consider recent proposals to auction U.S. import quotas, using the funds so obtained to encourage relocation out of the protected industries. We first discuss the design of quota auctions so as to maximize revenue for the government. We then consider why quota auctions should be used at all, rather than simply using tariffs, or immediately opening trade and compensating people with income transfers. We argue that the information available to the government, or lack thereof, is a critical factor in understanding these policies.     

IS TRADE IN TECHNOLOGY SUPERIOR TO TRADE IN GOODS?

Using a Ricardian setting we argue that trade in technology generates higher global welfare relative to trade in goods. Hence, free trade in commodities can only be the second best outcome for the world welfare.     

ECONOMIES OF SCALE IN HOUSEHOLD CONSUMPTION: WITH APPLICATION TO AUSTRALIA*

This paper presents a general framework for defining the economies of scale in household consumption. It allows commodity specific economies of scale (taking into account the substitution effects). The chief contribution of the paper is to show how one can estimate economies of scale from cross section budget data without price information. The problem of identification that is inherent in these models is overcome by making use of some assumptions about the nature of goods and services employed in the estimation. The methodology developed in the paper is applied to Australian Household Expenditure Survey for 1984 to calculate item wise and overall economies of scale.     

PATTERNS OF TRADE AND GROWTH UNDER INCREASING RETURNS: ESCAPE FROM THE POVERTY TRAP*

We consider a two-sector model of intertemporal resource allocation in which the investment good sector exhibits an initial phase of increasing returns in production. The economy maximizes a discounted sum of one period utilities derived from the consumption good. If it is autarkic, it may face a poverty trap from which it cannot escape even if it follows an optimal policy. If it engages in trade with the outside world as a price taker, it may escape from the trap. The optimal patterns of production and trade are analysed for such an economy.     

中国城市劳动力市场的一体化进程

本文从区域劳动经济学的视角分析城市间劳动力市场的发育和融合。我们介绍了分析区域劳动力市场的理论框架与国际经验,并利用住户调查数据发现,1988—1995年间,随着工资和教育回报率的上升,它们在城市间的差异有所扩大;虽然区域间的工资收敛并不显著,但受教育程度较低的工人工资收敛速度快于受教育程度高的技术型工人。针对这些实证结论,我们提出了促进区域劳动力市场统一的配套改革措施,以及建立全国性的以身份证为核心的大学生就业市场的建议。     

ON THE OUTPUT EFFECTS OF BARRIERS TO TRADE*

We study the macroeconomic effects of international trade policy by integrating a Hecksher–Ohlin trade model into an optimal‐growth framework. The model predicts that a more open economy will have higher factor productivity. Furthermore, there is a “selective development trap” to which countries may or may not converge, depending on policy. Income at the development trap falls as trade barriers increase. Hence, cross‐country differences in barriers to trade may help explain the dispersion of per capita income observed across countries. The effects are quantified, and we show that protectionism can explain a relevant fraction of TFP and long‐run income differentials across countries.     

PROCYCLICAL RETAIL LABOUR PRODUCTIVITY*

The influence of lagged adjustment and consumer spending on retail labour productivity is investigated. Both influences result in a procyclical productivity pattern.     

RETURNS TO DEBT AND EQUITY IN FARM PRODUCER ORGANIZATIONS

While the capital structure irrelevance proposition is the point of departure in corporate finance, it is unknown if debt‐or‐equity decisions matter to farm producer organizations. To inform decisions of capital acquisition, a panel study is conducted to estimate the relationships of different types of debt (current, long‐term) and equity (allocated, unallocated) to the financial performance of 707 farm producer organizations in the United States during the 2005–2011 period. Using 3,120 observations, the panel analysis indicates net sales in period t is increased by $1.97, $9.59, and $4.01 with an addition of $1 in current debt, allocated equity, or unallocated equity in period t_‐1. Furthermore, the magnitude of the positive relationship of an additional dollar of allocated (unallocated) equity to net income is estimated at $0.32 ($0.14). We thus reject the notion managers and directors of farm producer organizations should decide to use debt or equity with a coin toss.     

MANUFACTURER ACCEPTANCE OF RETURNS*

Modelling the retailers' behaviour explicitly, I extend the model of manufacturer returns policy of Flath and Nariu (1989) by introducing general demand conditions under uncertainty. I derive an equivalence theorem between manufacturer acceptance of returns and resale price maintenance (RPM) under conditions of zero marginal cost, risk neutrality and symmetric information. This was first shown by Marvel and Reagan (1986) in a somewhat different context. I also discuss some differences between RPM and return policy under asymmetric information and risk attitudes.     

ON THE BIASES IN FOREIGN TRADE INDICES*

Starting out from the observation that both imports and exports may be viewed as the difference between domestic consumption (use) and production, static standard theory of biases in consumption and production indices is brought to bear upon trade indices: Laspeyres tends to overrate when applied to imports and to underrate when applied to exports; for Paasche, the opposite holds true. Hence, terms of trade tend to be underrated (exaggerated) when based upon Laspeyres (Paasche) price indices. The problem of extending these conclusions to the case of changes in production frontiers and preference maps is discussed. When homotheticity is absent, correlation between price and quantity relatives may upset the simple conclusions. This is of special importance in the large-country situation. Dynamics further complicate the situation. A cobweb mechanism in exports may thus reverse the static results.     

RETURNS SYSTEM WITH REBATES*

We consider a variant of the newsvendor problem. Atomistic retailers each buy merchandise from a monopoly supplier for resale at a market‐determined common retail price that depends upon the total industry order quantity and upon a stochastic demand. After the orders are filled, the supplier learns the realization of demand but the retailers do not. We show that, in this setting, a returns system with rebates (with previously set buy‐back price for returns and ex post payments from the supplier to each retailer per unit actually sold) implements the optimal production and sales strategy, attaining maximum expected profit in the channel.