This paper explores optimality of contracts and incentives when the principal (public organization) can undertake investments to change agents’ (public workers) identity. In the model, workers within the organization can have different identities. We develop a principal-agent dynamical model...

The decision to donate blood and living organs is considered voluntary and altruistic. However, the shortage of donors has opened an interesting debate in recent years, considering offering economic incentives to donors. This paper analyzes theoretically and empirically, the effects of...

Using administrative records of births from the Perinatal Surveillance System of the Social Security System (ESSALUD) in Peru, we test whether high admissions of pregnant women affected unplanned cesarean section rates in the ESSALUD public hospitals during the period 2005-2006. To this purpose,...

En este artículo se aborda el trabajo de presos y prisioneros de guerra en la ampliación y reconstrucción de vías férreas durante la guerra civil española y la dictadura franquista. En una primera parte se presentan los problemas metodológicos que se deben sortear para avanzar en este...

This paper aims to develop a vision for the NHS in the perspective of 2020. Based on an assessment of the current situation of the health system and in the light of the principles that define a good health system, describes a feasible scenario for health care in Spain based on structural changes...

We describe a dynamic macroeconomic model that incorporates firm-level borrowing constraints, competitive CES loan production, and rigidities on both setting prices and wages. The external finance premium (interest-rate spread) is countercyclical with technology and financial shocks, and...

Employment fluctuations are examined, at different levels of aggregation, in a dynamic model that provides firm-specific hiring decisions due to search frictions and sticky pricing. The results indicate that firm-level employment dispersion rises with higher price stickiness and higher demand...

In this article, we use data from Spanish manufacturing plants to analyze the determinants of the importance attributed to several criteria when wages are adjusted. More specifically, the criteria we take into account in the study are the cost of living, the wages of the firm in relation to its...

This paper investigates the use of egalitarian criteria to select allocations in bankruptcy problems. In our work, we characterize the sets of Lorenz maximal elements for these problems. We show that the allocation selected by the Proportional Rule is the only allocation that belongs to all...