Will Competitive Bidding Decrease Medicare Prices?

Recent measures to reduce Medicare spending include the use of competitive bidding in determining reimbursement prices. Several competitive bidding experiments have been conducted by the Centers for Medicare and Medicaid Services (CMS) to determine reimbursement prices. This paper investigates the use of competitive bidding to set reimbursement prices for durable medical equipment, prosthetics, orthotics, and supplies. First, the competitive bidding process is examined on a theoretical level. It is shown that the CMS competitive bidding process (auction) is inefficient, leads to price increases, and may cause decreases in the quality of services. Next, data supporting the theoretical predictions are presented. Finally, we suggest that a descending variant of the Ausubel, Cramton, and Milgrom (2006) clock-proxy auction be used.     

Paradoxes in the diffusion of a rapidly advancing technology: The case of solar photovoltaics

The economic approach to technological diffusion identifies several paradoxes that may hinder innovation. The anticipation of rapid technical improvement may be a self-defeating prophecy, as potential innovators wait. The propositions are exemplified by residential solar photovoltaic systems. While systems appear profitable in two sites in the mid-1980s, the optimal delay in adoption may be as long as ten years. A policy for accelerating diffusion is suggested.     

Opportunity, Subculture and the Economic Performance of Urban Ethnic Groups

A bstract . An attempt is made to account for age-specific differences in economic performance among 14 ethnic groups living in the nation's nine largest metropolitan areas, by regression analysis of 1950 U.S. Census data. A large proportion of the variance in occupational structure, income, unemployment, and labor force status is accounted for by variations in urban opportunities, relative group size and the members' educational attainment. With the specified economic factors held constant, ethnic factors—nationality and nativity—are associated with residual differences in economic performance. These residual ethnic influences as well as ethnic differences in marital, educational, and labor force status suggest that differences in ethnic subculture have important economic consequences.     

Second chance offers in auctions

This paper examines situations in which a seller might make a second chance (take-it-or-leave-it) offer to a non-winning bidder at a price equal to their bid at auction. This study is motivated by the take-it-or-leave-it second chance offer rules used by eBay and a number of state procurement agencies. Equilibrium bidder behavior is determined for IPV sealed bid first price, second price, English, and Vickrey auctions when a second chance offer will be made with an exogenous probability $p$ . In all but the Vickrey auction (which elicits the dominant strategy of bidding one’s value) equilibrium bids are lower than if there were no possibility of a second chance offer and higher than if a second chance offer will be made for certain. Further, the possibility of a second chance offer erodes the strategic equivalence between second price bids and English auction drop out levels. If bidders are risk averse (with CRRA preferences), this difference leads to expected revenue dominance of the second price over the English auction, both of which dominate the Vickrey auction. The first price auction is also shown to revenue dominate the Vickrey auction, and moreover, numerical results and intuition from existing literature suggest that the first price auction revenue dominates the second price auction.     

The role of varying risk attitudes in an auction with a buyout option

Summary. An auction with a buyout option is modelled. Such an option allows a bidder to purchase the item being auctioned at a pre-specified buyout price, instead of attempting to obtain the item through the traditional auction procedure. This analysis is motivated by internet auctions where such options are present. If all auction participants are risk neutral, the seller will choose a buyout price high enough so that the option is never exercised. However, a risk averse seller facing risk neutral bidders will choose a price low enough so that the option is exercised with positive probability. Further, if bidders are risk neutral and the seller is risk averse, this option may result in a Pareto improvement compared to a sealed bid second price auction.Received: 3 December 2002, Revised: 28 September 2004, JEL Classification Numbers: D44, L86, D8. Correspondence to: Timothy MathewsWe would like to thank Yair Tauman, Thomas Jeitschko, Pradeep Dubey, Konstantinos Serfes, Abraham Neyman, Qihong Liu, and an anonymous referee, as well as participants of the 2001 Canadian Economic Association Conference and the 2001 Stony Brook International Conference on Game Theory. This paper is based upon Chapter Two of Mathews doctoral dissertation.     

Output and price level effects of monetary uncertainty in a matching model

Monetary uncertainty and information lags are put into a random matching model so that the resulting setting has some meetings in which producers are relatively informed and others in which consumers are relatively informed.For that setting, the ex ante socially optimal way to conduct trade is characterized. The optimum can display a variety of relationships between money and total output and the price level. While the price level is always sticky, even the direction of its response and that of total output depend on the magnitude of the lag and on subtle features of the serial correlation properties of the money supply.