Fragmented property rights and R&D competition

The new Medicare Part D program provides prescription drug coverage for older Americans through highly subsidized and tightly regulated plans offered by private insurance firms. For most eligible individuals without coverage from other sources, obtaining Part D coverage would be rational, but it requires active enrollment and plan choice decisions. We investigate if non-enrollment in Medicare Part D can partly be explained by risk aversion. Data are taken from a national online survey conducted just after the introduction Part D. The survey included a context-free and a context-related hypothetical lottery to measure an individual’s attitude towards risk. Respondents who are risk tolerant according to these measures were significantly less likely to enroll in Part D. We also illustrate that hypothetical choice questions designed to elicit risk attitudes are subject to reference-point effects. Even minor differences in the priming of respondents can result in potentially misleading conclusions about the role of risk aversion in the insurance decisions.

Antitrust scholars have argued that exclusive contracts have anticompetitive, or at best neutral effects, if no efficiencies are generated. In contrast, this paper shows that exclusive contracts can have procompetitive effects, provided buyers are imperfect downstream competitors and contract breach is feasible. In that case an efficient entrant is not necessarily foreclosed through exclusive contracting but induces buyers to breach. Because breaching buyers have to pay expectation damages to the incumbent, the downstream profits they obtain when breaching must be large enough. Therefore, the entrant needs to set a lower wholesale price than absent exclusive contracting, leading to lower final consumer prices and higher welfare.

We analyze the profitability of third degree price discrimination under consideration of consumers' fairness concerns within an experiment and explain the results within a theoretical framework. We find that with an increase in the price differential negative reciprocal reactions by disadvantaged consumers become stronger compared to positive reciprocal reactions by advantaged consumers. Consequently, the profit maximizing price differential lies below the one predicted to be optimal by standard theory. Further, profitability increases when consumers who are regarded as poorer are charged lower prices compared to when the wealth of the different consumer groups is unknown.

We consider a model of moral hazard with limited liability of the agent and effort that is two-dimensional. One dimension of the agent’s effort is observable and the other is not. The principal can thusmake the contract conditional not only on outcome but also on observable effort. The principal’s optimal contract gives the agent no rent and – in contrast to the first-best allocation – uses toomuch observable effort and too little unobservable effort. This distortion in the relative use of the two kinds of effort increases if the agent’s liability becomes more limited.

In this paper, we ask whether courts should continue to rule settlements in the context of pharmaceutical claims per se legal, when these settlements comprise payments from originator to generic companies, potentially delaying generic entry compared to the underlying litigation. Within a theoretical framework we compare consumer welfare under the rule of per se legality with that under alternative standards. We find that the rule of per se legality induces maximal collusion among settling companies. In comparison, the rule of per se illegality entirely prevents collusion and the rule of reason induces limited collusion when antitrust enforcement is subject to error. Contrary to intuition, limited collusion can be welfare enhancing as it increases companies' expected settlement profits and thus fosters generic entry. Generic companies obtain additional incentives to challenge probabilistic patents, which potentially leads to overall increased competition. We further show that generic entry is fostered more effectively by inducing limited collusion than by rewarding first generic entrants with an exclusivity right.

This note generalizes Feldstein’s (1976) criticism of Barro’s(1974) analysis for the case that the interest rate exceeds the growth rate. This is done by considering an economy in steady state where all agents hold “Barro expectations”: they believe that government debt must necessarily be repaid and therefore leave the present value of their income streams unchanged. In this scenario, a change in the mode of taxation affects the present value of disposable income in the private sector. This violates their Barro expectations.

In 1979, when anthropometric history was still in its infancy, Robert Fogel and collaborators reported that the height of the US male white population began to decline quite unexpectedly around the birth cohorts of 1830. This was quite a conundrum on account of the fact that according to conventional economic theory nutritional status was not expected to diminish at the outset of modern economic growth, i.e., at a time when incomes were growing robustly. Although many hypotheses were offered, not until 1987 was the comprehensive solution to the puzzle offered that the height decline was due primarily to a decline in food consumption: agricultural productivity did not keep pace with rapid population growth and urbanization. However, it took a third of a century for a Kuhnian paradigm shift to occur until most of the participants in the debate accepted the model elucidated by Komlos in 1987.

We study an all-pay contest with multiple identical prizes ("lifeboat seats"). Prizes are partitioned into subsets of prizes ("lifeboats"). Players play a twostage game. First, each player chooses an element of the partition ("a lifeboat"). Then each player competes for a prize in the subset chosen ("a seat"). We characterize and compare the subgame perfect equilibria in which all players employ pure strategies or all players play identical mixed strategies in the first stage. We find that the partitioning of prizes allows for coordination failure among players when they play nondegenerate mixed strategies and this can shelter rents and reduce rent dissipation compared to some of the less efficient pure strategy equilibria.

Individuals’ choices of educational content are often shaped by the political economy of government policies that determine the incentives to acquire various skills. We first present a model to show how differences in educational content emerge as an equilibrium outcome of private decisions and government policy choices. We then illustrate these dynamics in two historical circumstances. In medieval Europe, states and the Church found individuals trained in Roman law valuable, and eventually supported investments in this new form of human capital. This had positive effects on Europe’s commercial and institutional development. In late 19th-century China, elites were afraid of the introduction of Western science and engineering and continued to select civil servants - who enjoyed substantial rents—based on their knowledge of Confucian classics. As a result, China lacked skills useful in modern industry. Finally, we present a variety of other contemporary and historical applications of this theory.

We study the effects of patriotism on tax compliance. In particular, we assume that individuals feel a (random draw of) warm glow from honestly paying their taxes. A higher expected warm glow reduces the government's optimal audit probability and yields higher tax compliance. Second, individuals with higher warm glow are less likely to evade taxes. This prediction is confirmed empirically by a multivariate analysis on the individual level while controlling for several other potentially confounding factors. The findings survive a variety of robustness checks, including an instrumental variables estimation to tackle the possible endogeneity of patriotism. On the aggregate level, we provide evidence for a negative correlation between average patriotic warm glow and the size of the shadow economy across several countries.