Many of the most important choices in people's lives have an inter-temporal dimension, i.e., these choices are associated with a flow of benefits or costs that accrue in the future. In addition, such choices are frequently habit- forming. Yet, little is known about habit-forming inter-temporal choice behavior. This paper reports the results of an inter-temporal choice experiment with habit-formation. Subjects' choices deviate systematically from individually optimal decisions in the direction of over consumption. This over- consumption is partly driven by loss avoidance, comparable to a real life situation in which addicted people consume addictive substances only in order to overpower withdrawal symptoms. Our results thus reject the theory of rational addiction.
The present paper analyzes the consequences of a consumption tax reform for the export sector. In particular, it offers an explanation why exporters support such a reform although economic theory basically predicts trade neutrality. To this purpose, the basic neoclassical model is replaced with two Keynesian assumptions, i.e. sticky wages and absence of perfect foresight. It is derived that in both cases the export sector expands in the short run. However, with sticky wages, this is only possible if, at the same time, the central bank fixes the exchange rate. In the absence of perfect foresight, on the other hand, the additional condition for the tax reform to increase exports is that the government balances its budget in each period.
"- This paper replaces the paper ""Existence and Uniqueness of Equilibria in the CAPM"" -nIn the standard CAPM with a riskless asset we give a sufficient condition for uniqueness. This condition is a joint restriction on the agents' endowments and their preferences which is compatible with non-increasing absolute risk aversion and which is in particular satisfied with constant absolute risk aversion. Moreover in the CAPM without a riskless asset we give an example for multiple equilibria even though all agents have constant absolute risk aversion."
This paper analyzes the impact of formal training on worker mobility. Using data from the Swiss Labor Force Survey, we find that on-the-job search activities and, to a smaller extent, actual job separations are significantly affected by both employer-provided and general training. Moreover, while the separation probability of searching workers is strongly affected by previous firm-provided training, no such effect shows up for non-searchers. This is consistent with the hypothesis that workers bear most of the cost of specific training.
"Due to its formality and highly analytic thinking, economics is often attributed a leading role among the social sciences and a prominent position as contributor to economic or social issues in the real world. Fact is, however, that the empirical proof for such a claim is either missing or anecdotal. This paper aims to outline the “economics of economics”. It surveys and compares approaches of impact measurement such as a production function of economics or the demand and supply of trained economists and discusses the determinants of the strength of the influence of economics. It furthermore discriminates between the impact of economic ideas versus that of economists as scientists or politicians."
"The purpose of this paper is to explain why some markets for financial products take off while others vanish as soon as they have emerged. To this end, we model an infinite sequence of CAPM-economies in which financial products can be used for insurance purposes. Agents' participation in these financial products, however, is restricted. Consecutive stage economies are linked by a mapping (""transition function"") which determines the next period's participation structure from the preceding period's participation. The transition function generates a dynamic process of market participation which is driven by the percentage of informed traders and the rate at which a new asset is adopted. We then analyze the evolutionary stability of stationary equilibria. In accordance with the empirical literature on financial innovation, it is obtained that the success of a financial innovation, a mutation, depends on a sufficiently high trading volume, marketing, and new and differentiated hedging opp"
This paper analyzes the dependence of average consumption on the saving rate in a one-sector neoclassical Solow growth model with production shocks and stochastic rates of population growth and depreciation where arbitrary ergodic processes are considered. The long-run behavior of the stochastic capital intensity and hence average consumption is uniquely determined by a random fixed point which depends continuously on the saving rate. We prove existence of a golden rule saving rate maximizing average consumption per capita. A dynamic inefficiency result is given to ascertain the importance of the golden rule for the stochastic Solow model. The cases of Cobb-Douglas and CES production function are analyzed numerically, revealing that shocks to either parameter can lead to higher average consumption at the golden rule saving rate.
When markets are incomplete, the competitive equilibria considered so far are not constrained Pareto–efficient, production efficiency breaks down and shareholders no longer agree on the objective function of the firm. We first show by way of an example that these inefficiencies can result from the double role of firms in incomplete markets: providing high market value and providing good hedging opportunities (spanning role). To disentangle these two conflicting roles of the firm’s decision, we then suggest to let the firm choose a relevant financial policy by issuing securities being collaterized by the production plan. In order to guarantee that the firm does not choose to innovate trivial assets, it is then shown to be crucial that the firm‘s shareholders agree on the same set of state prices. Therefore we introduce some communication network into the model which allows the shareholders to exchange their views on the firm’s best policies. In our main result we demonstrate that competitive equilibria with communication of shareholders and a relevant financial policy of the firm are Pareto–efficient, provided there are at least as many firms as there are shareholders.
This paper provides a critical review of the recent literature on inequality and growth. After discussing historical and more recent distributional trends as well as empirical evidence on the relationship between inequality and growth, I focus on recent explanations of the inequality-growth puzzle. I consider both the impact of the functional and the personal distribution on long-run growth rates. A final section discusses a rather neglected issue in the recent literature: the impact of expected demand for innovation decisions.
We study behavior within a simple principal--agent experiment. Our design allows for a large class of linear contracts. Principals can offer any feasible combination of (negative) fixed wages and incentives in the form of return sharing. This great contractual flexibility allows us to study incentive compatibility simultaneously with issues of `fair sharing' and reciprocity, which were previously found to be important. We find a high degree of incentive-compatible behavior, but also `fair sharing' and reciprocity. In contrast to other incentive devices studied in the literature, the incentives are `reciprocity-compatible'. Principals recognize the agency problem and react accordingly.
