Testing for Discrimination against Lesbians of Different Marital Status: A Field Experiment

In this paper, I conduct a correspondence testing experiment to examine sexual orientation discrimination against lesbians in Germany. I sent applications from four fictional female characters in response to job advertisements in Munich and Berlin: a heterosexual single, a married heterosexual, a single lesbian, and a lesbian who is in a “same‐sex registered partnership.” While single lesbians and lesbians in a registered partnership are equally discriminated in comparison to the heterosexual women in the city of Munich, I found no discrimination based on sexual orientation in Berlin. Furthermore, for a subset of the data we can compare the effects of a randomized versus a paired testing approach, which suggests that under certain conditions, due to increased conspicuity, the paired testing approach may lead to biased results.     

Sustainable Consumption Governance: A History of Promises and Failures

What are the implications of the current international political, and economic settings for consumer policy, and, in particular, those regarding sustainable consumption? In terms of improvements in the efficiency of consumption, the settings have induced efforts to this effect and show potential for further progress. In terms of necessary changes in consumption levels and patterns, however, little progress has been made since the Rio Summit nor is there likely to be any in the near future. These two dimensions of sustainable consumption need to be differentiated, as there is a substantial amount of controversy regarding our ability to achieve sustainable consumption on the basis of improvements in efficiency alone. The paper traces these differences with respect to the work of the major international governmental organizations (IGOs) engaged in developing sustainable consumption governance. It argues that the lack of commitment to strong sustainable consumption among IGOs can be explained by their “weakness” as actors in global governance and the existence of strong opposing interests among consumers and business actors.     

The Number of Bank Relationships of SMEs: A Disaggregated Analysis of Changes in the Swiss Loan Market

This paper investigates changes in the number of bank relationships of small and medium-sized enterprises in Switzerland from 1996 to 2002. It differentiates between overall bank relationships and lending relationships and disaggregates the loan market with respect to firm sizes, industries and banking groups. On average, bank lending declined, and the concentration of lending relationships increased. The changes seem to have been driven by demand and supply for medium-sized firms, but only by supply for micro and small firms. Supply-side reductions resulted from a merger and changes in credit risk management by major banks. We find evidence of increasing specialization of larger banks on transaction lending and of smaller and regional banks on relationship lending.     

Searching for the natural rate of interest: a euro area perspective

A time-varying natural rate of interest is estimated for the euro area using a multivariate unobserved components model. The problem of aggregating interest rate data for the pre-EMU period is directly addressed, and a simple method is proposed in order to adjust the risk premia in the interest rate data prior to 1999. We show that, for the pre-EMU period, using risk-unadjusted policy rates leads to periods of high risk premia being erroneously taken as monetary policy replies to the output gap; in contrast, using risk-adjusted policy rates yields an estimate of the reaction of monetary policy to the output gap corresponding approximately to an increase of 40 basis points for a 1%positive deviation of output from potential output. A positive deviation of inflation from its trend of 1%is estimated to have triggered an approximately 1.2%increase in short-term interest rates.     

On the evolutionary edge of migration as an assortative mating device

In a haystack-type representation of a heterogeneous population that is evolving according to a payoff structure of a prisoner’s dilemma game, migration is modeled as a process of ‘swapping’ individuals between heterogeneous groups of constant size after a random allocation fills the haystacks, but prior to mating. Migration is characterized by two parameters: an exogenous participation-in-migration cost (of search, coordination, movement, and arrangement-making) which measures the migration effort, and an exogenous technology—of coordinating and facilitating movement between populated haystacks and the colonization of currently unpopulated haystacks—which measures the migration intensity. Starting from an initially heterogeneous population that consists of both cooperators and defectors, a scenario is postulated under which ‘programmed’ migration can act as a mechanism that brings about a long-run survival of cooperation.