THE IMPACT OF PROVIDER AVAILABILITY ON ABORTION DEMAND

Variations in the availability of abortion providers may impact the demand for abortions since greater provider availability reduces the travel cost associated with acquiring an abortion. This paper applies a fertility-control model to estimate the responsiveness of abortion demand to travel-cost variations using county-level data on the state of Texas. Abortion rates as well as pregnancy rates appear to be sensitive to availability-induced variations in the travel cost of abortion services. In particular, the results suggest that residents in counties with longer travel distances to the nearest abortion provider have lower abortion rates and lower pregnancy rates.     

A NOTE ON CONSUMER DEMAND CURVES AND PRICE ELASTICITY OF DEMAND

"The elasticity of demand is great for high prices, and great, or at least considerable, for medium prices, and gradually fades away if the fall goes so far that satiety level is reached."—Principles of Economics, 8th ed., p. 87     

DEMAND UNCERTAINTY AND RESALE PRICE MAINTENANCE

When retailers must commit to shipment quantities prior to resolution of demand uncertainty, manufacturer stipulation of a minimum retail price is likely to be profitable for the manufacturer and not damaging to the retailers. The reason is simple: if demand turns out to be low, the unfettered market-clearing price can lie below the price that maximizes total sales revenue. A minimum retail price that is binding in the low-demand state can thus increase total revenue even though it saddles retailers with unsold merchandise. The ubiquity of full reimbursement for returns in Japan, even though it is in theory merely a second-best way of achieving minimum retail price stipulations, reveals important aspects of manufacturer maintenance of retail prices having to do with enforcement problems, the allocation of risk-bearing, and economic incentives. These aspects of resale price maintenance (RPM) are relevant to the normative evaluation of the special exemptions for RPM that Japan's Fair Trade Commission has long maintained but is now phasing out.     

PRICE AND WELFARE EFFECTS OF OLIGOPOUSTIC MERGERS

When oligopolists merge, the new firm enjoys a lower cost structure than any of its premerger constituent parts. This is because of rationalization economies which are created as facilities previously operated at disparate marginal cost levels come under common control. The resultant price-decreasing force is countered by the loss of competition due to the merger. The latter can stem not only from reduction in the number of competitors, but also from the possibility that, with a more concentrated market structure, firms'conjectures about each others'reactions will move in the direction of being more cooperative. The paper shows that, under normal conditions, the effects of diminished competition outweigh those of rationalization so that a price increase will result from the merger. In addition, the equivalence of merger to the imposition of taxes is exploited to derive a market-share based test for mergers to cause welfare decreases. This complements a test proposed by Farrell and Shapiro that works only for welfare increases.     

ON THE PROFITABILITY OF RESALE PRICE MAINTENANCE WHEN DEMAND IS UNCERTAIN

A previous study finds that in a market where a manufacturer faces uncertain demand and sells to consumers through competitive retailers, the manufacture wishes to support adequate retail inventories by imposing resale price maintenance (RPM). I show that if retail inventories are allocated to consumers through first‐come‐first‐served rule rather than efficient rationing rule in the game with unconstrained retail competition, imposing RPM may not be profitable. It may not encourage more retail inventories either. RPM may also lower consumer surpluses and social welfare. This study casts some doubt on the demand uncertainty theory that supports RPM.     

内生货币体系下房价波动对货币供求的冲击

在内生货币体系下,房价上涨导致我国内生货币扩张的途径主要有两条:一是基于房地产抵押信贷需求膨胀引致的商业银行内生货币供给的扩张;二是被房价持续上涨及人民币升值预期所吸引的外汇流入导致央行大量基础货币的被动投放。这样会对货币供应量目标有效性带来影响。因此应将房地产市场监测数据列入当前货币供应量调控的参照指标。     

外部需求冲击对中国出口的影响

中国经济增长的特殊模式使得其容易受到外部经济表现的影响,其中外需冲击是重要的渠道。实证结果表明,中国出口一方面为外部需求所拉动,另一方面其竞争力体现为成本优势。在前期出口成本上升和目前中国的主要出口市场相继进入衰退的情况下,为稳定出口增长,中国应在短期适度回调出口退税率和稳定人民币升值幅度,在长期致力于技术进步。     

COLLUSION,FLUCTUATING DEMAND,AND PRICE RIGIDITY*

We study an infinitely repeated Bertrand game in which an i.i.d. demand shock occurs in each period. Each firm receives a private signal about the demand shock at the beginning of each period. At the end of each period, all information but the private signals becomes public. We consider the optimal symmetric perfect public equilibrium (SPPE) mainly for patient firms. We show that price rigidity arises in the optimal SPPE if the accuracy of the private signals is low. We also study the implications of more firms and firms' impatience on collusive pricing.     

WELFARE EFFECTS OF STRATEGIC PRICE SETTING IN ANTICIPATION OF PRICE REGULATION

A single product monopolist with constant unit costs, in a simple two-period model, is aware that price regulation will be imposed in the second period. The form of the regulation is such that price in period 2 may not exceed 100 ; per cent of price in period 1, where 0 < < 1. The period 1 price will be set higher than it would be in the absence of anticipated regulation. However, it is not always the case that pre-regulation price will be raised as falls. The welfare effects are crucially dependent on the form of the demand function. Under constant elasticity of demand a reduction in will reduce both consumers' and the producer's welfare. Under linear demand, consumers benefit and the producer loses as is reduced and the resultant effect on aggregate welfare is ambiguous.     

QUANTITY AND PRICE EFFECTS IN AN ANALYSIS OF WORLD TRADE BASED ON AN ACCOUNTING MATRIX*

This paper describes the construction of an accounting matrix for the world economy in 1977, cast along similar lines to SNA National Accounts, but one in which trade flows replace inter-industry flows as intermediate demand. The matrix distinguishes ten regions. Institutional accounts are presented for three of these, the European Community, North America and Japan. This matrix is used to provide the basis of a linear model in which average propensities to import and consume are replaced by estimated marginal propensities. Use is made of standard estimates of the income effects of terms of trade changes in order to distinguish substitution from income effects in the model, and a means is suggested for separating the full as well as the impact effects of a terms of trade change into income and substitution effects. The estimated import equations are used to derive estimates of regional growth rates compatible with external balance in each region. Multiplier matrices are calculated from the model showing regional interdependence of the world economy reflecting the pattern of trade which is identified in the marginal propensities to import. The effects of various aid policies are calculated using the model. It is shown that the cost of aid to any region is radically altered by taking into account the feedback effects of changes in demand. A policy of tied aid pursued by EEC, North America and Japan can actually lead to an improvement in Japan's balance of payments position. Finally the effects of movements in relative prices are illustrated by means of two examples.     

ON THE PRICE EFFECTS OF HORIZONTAL MERGERS: A THEORETICAL INTERPRETATION

Horizontal mergers are usually under the scrutiny of antitrust authorities due to their potential undesirable effects on prices and consumer surplus. Ex‐post evidence, however, suggests that these effects do not always take place and even relevant mergers may end up having negligible price effects. The analysis of mergers in the context of non‐localized spatial competition may offer a further interpretation to the ones proposed in the literature: in this framework both positive and zero price effects are possible outcomes of the merger activity.     

AN EXAMINATION OF THE EFFECTS OF ENVIRONMENTAL REGULATIONS ON RETAIL GASOLINE PRICE SEASONALITY

Stricter environmental standards on gasoline have had impacts on the prices of gasoline including the seasonality of gasoline prices. Using both national data and individual station data, the paper tests for a possible explanation for this increase. Three theories are tested: that gasoline seasonality increases due to higher costs, due to greater market power because of segmented markets, or due to greater asymmetry because of greater inattention on the part of customers. The results suggest that gasoline price seasonality has increased both due to higher costs and greater market power with mixed results on the inattention of consumers.(JEL Q41, Q53, Q58).     

BINGE DRINKING IN COLLEGE: THE IMPACT OF PRICE, AVAILABILITY, AND ALCOHOL CONTROL POLICIES

This paper estimates the effects of beer prices, alcohol availability, and policies related to driving under the influence of alcohol on drinking and binge drinking among youths and young adults. Data are from a nationally representative survey of students in U.S. colleges and universities. Separate estimates are obtained for underage male and female students, as well as for older male and female students. The estimates indicate that the drinking practices of male college students are generally insensitive to the price of beer. However, underage drinking and binge drinking by female students do respond significantly to price, although both are relatively inelastic. The results also show that strong drunk driving policies targeting youths and young adults significantly reduce drinking and binge drinking by male students. Similarly, these policies reduce drinking among female college students but appear to have little impact on their binge drinking. Instead, the results indicate that many elements of campus life (including participation in a fraternity or sorority, living on campus, and the ready availability of alcoholic beverages) are among the most important determinants of drinking and binge drinking among college students.     

农产品价格上涨和通货膨胀的 互动机制及共同原因

本文从金融市场的实际汇率、真实利率水平和劳动力市场的农业劳动力成本等角度分析二者之间的互动机制,认为通货膨胀通过农民的存粮行为、投资的促进、汇率传导三种机制影响农产品价格水平;而在刘易斯转折点出现的条件下,农产品价格通过劳动力成本的上升这一渠道导致一般物价水平上升,并且影响程度持续上升。本文对这些假说进行了理论分析后使用VAR模型进行经验研究,提出需求面的因素是价格水平变化的主要原因,供给面的因素是农产品价格变化的主要原因。应减少金融市场的扭曲程度,提升真实利率和人民币币值以抑制通货膨胀;在供给方面应改进农业的投入和生产模式,把劳动力成本上升和技术进步结合在一起,同时利用国际农产品市场稳定国内价格水平。     

PRICE ANALYSIS AND A SYSTEM OF PRICE STATISTICS

For some considerable time the interest in price statistics has mainly been focused on their use as "intermediate goods". The requirements of a system of price index numbers which have to be established in this connection are largely in the field of statistical coordination (integration of statistics on quantities, values and prices).
Recently the inflation problem has given rise to an increased interest in price statistics as "final goods". A meaningful analysis of inflation will devote attention to the relation between input prices and output prices. In this article several versions of an analysis of prices of final demand categories based on an ordinary Leontief input-output scheme are presented and the needs for price statistics are discussed. In fact a self-contained system of price statistics emerges from the price analysis.
There is a difference in the nature of the price index numbers required in compiling input-output tables in constant prices (Paasche) and that in the case of price analysis (Laspeyres). However the need for price observation runs largely parallel because in both cases the same detailed information on price developments will probably be used.
Price analysis gives the possibility of a step-by-step approach in building up a system of price index numbers.     

MACROECONOMIC EFFECTS OF THE 1986 OIL PRICE DECLINE

The oil price decline during 1986 sparked a renewed debate over how oil price changes affect the economy and whether the effects of oil price declines are equal and opposite those of oil price increases. This article reviews theoretical and more casual arguments concerning this issue and describes some tests rejecting the hypothesis that the effects of oil price declines are asymmetric to those of oil price increases.