Business cycle asymmetries: Loss aversion, sticky prices, and wages

In this chapter, the Smets-Wouters (2003) New Kenesian model is reformulated by introducing the loss aversion utility function developed in chapter two. The purpose of this is to understand how asymmetric real business cycles are linked to asymmetric behavior of agents in a price and wage rigidities set up. The simulations of the model reveal not only that the loss aversion in consumption and leisure is a good mechanism channel for explaining business cycle asymmetries, but also is a good mechanism channel for explaining asymmetric adjustment of prices and wages. Therefore the existence of asymmetries in Phillips Curve. Moreover, loss aversion makes downward rigidities in prices and wages stronger and also reproduces a more severe and persistent fall of the employment. All in all, this model generates asymmetrical real business cycles, asymmetric price and wage adjustment as well as hysteresis.

A model of school behavior: tuition fees and grading standards

This paper uses a hybrid human capital / signaling model to study grading standards in schools when tuition fees are allowed. The paper analyzes the grading standard set by a profit maximizing school and compares it with the efficient one. The paper also studies grading standards when tuition fees have limits. When fees are regulated a profit maximizing school will set lower grading standards than when they are not regulated. Credit constraints of families also induce schools to lower their standards. Given that in the model presented competition is not feasible, these results show the importance of regulation of grading standards.

Doctors´ remuneration schemes and hospital competition in two-sided markets with common network externalities

This paper uses a two-sided market model of hospital competition to study the implications of di§erent remunerations schemes on the physiciansí side. The two-sided market approach is characterized by the concept of common network externality (CNE) introduced by Bardey et al. (2010). This type of externality occurs when occurs when both sides value, possibly with di§erent intensities, the same network externality. We explicitly introduce e§ort exerted by doctors. By increasing the number of medical acts (which involves a costly e§ort) the doctor can increase the quality of service o§ered to patients (over and above the level implied by the CNE). We Örst consider pure salary, capitation or fee-for-service schemes. Then, we study schemes that mix fee-for-service with either salary or capitation payments. We show that salary schemes (either pure or in combination with fee-for-service) are more patient friendly than (pure or mixed) capitations schemes. This comparison is exactly reversed on the providersíside. Quite surprisingly, patients always loose when a fee-for-service scheme is introduced (pure of mixed). This is true even though the fee-for-service is the only way to induce the providers to exert e§ort and it holds whatever the patientsívaluation of this e§ort. In other words, the increase in quality brought about by the fee-for-service is more than compensated by the increase in fees faced by patients.

Dynamic conditional correlation in Latin-American asset markets

In this paper we reviewed the models of volatility for a group of five Latin American countries, mainly motivated by the recent periods of financial turbulence. Our results based on high frequency data suggest that Dynamic multivariate models are more powerful to study the volatilities of asset returns than Constant Conditional Correlation models. For the group of countries included, we identified that domestic volatilities of asset markets have been increasing; but the co-volatility of the region is still moderate.

Energy saving innovations, non-exhaustible sources of energy and long-run: what would happen if we run out of oil?

We formulate and solve a model of factor saving technological improvement considering three factors of production: labor, capital and energy. The productive activities have three main characteristics: first, in order to use capital goods firms need energy; second, there are two sources of energy: non-exhaustible and exhaustible; third, capital goods can be of different qualities and the quality of these goods can be changed along two dimensions -reducing the need of energy or changing the source of energy used in the production process. The economy goes through three stages of development after industrialization. In the first, firms make use of exhaustible energy and the e¢ ciency in the use of energy is constant. In the second stage, as the price of energy grows the e¢ ciency in its use is increased. In the third stage, the price of exhaustible sources is so high that firms have incentives to use non-exhaustible sources of energy. During this stage the price of energy is constant. In this set up, the end of the oil age has level effects on consumption and output but it does not cause the collapse of the economic system.

Evidence of induced innovation in US Sectoral Capital’s Shares

We use annual data on capital’s share and relative factor prices from 35 US industries from 1960 to 2005 to test the induced innovation hypothesis. We derive, from a production function framework, testable implications for the effect of contemporaneous and lagged factor price ratios on capital’s share of production. The predicted effect is positive or negative depending on the elasticity of substitution between labor and capital. From panel regressions, the estimated effect of the contemporaneous factor price ratio implies an elasticity of substitution that is less than unity, consistent with the consensus from the literature. Based on this, our negative estimated effects for lagged price ratios are both statistically significant and consistent with the induced innovation hypothesis.

If factor shares are not constant then we have a measurment problem. can we solve it?

Recent evidence show that factor shares, if properly measured, are far from constant. Moreover, the shares of natural resources and raw labor seem to be negatively correlated with income per capita while the share of human and physical capital is positively correlated with income per capita. Now, if factor shares are not constant then (i) growth accounting exercises rely on a false assumption and (ii) there is a measurement problem. The effect that change s in factor shares ha ve on output depend on the relative abundance of factors and, fo r this reason, it is necessary to have correct measures. We propose an empiri cal methodology to solve the measurement issue and estimate TFP growth.

Acción colectiva y políticas públicas

El presente documento hace una revisión de la literatura reciente (últimos 15 años) que vincula la acción colectiva con las políticas públicas. En particular se observan dos tendencias, de un lado, la defensa a la lógica de la acción colectiva señalando el tipo de incentivos que se deben crear para propiciar la cooperación y eventualmente tener resultados de políticas públicas, y aquellos que piensan que la acción colectiva depende de elementos psicológicos y sociales que no siempre garantizan una cooperación constante y que dificultan predecir lo que puede suceder en términos de políticas públicas. Al final se concluye que, si bien la lógica de la acción colectiva contribuye al análisis de las políticas públicas, aún falta un mejor entendimiento de las razones que motivan o frenan la cooperación y la manera como esta se construye en función de un problema colectivo que se puede o no convertirse en una política pública.

Incidencia del gasto en educación sobre los hogares en Bogotá en 2003

Se evalúa el impacto redistributivo de las políticas educativas en Bogotá mediante el Análisis de Incidencia del Beneficio. A pesar que los hogares son autónomos con respecto a la elección entre la educación oficial y no oficial, la provisión pública de la educación genera fuertes impactos progresivos en el ingreso que se explayan hacia reducciones de pobreza y desigualdad, sin importar el cálculo del subsidio que se impute al ingreso.

Information externalities and export trade duration at the firm level

Recent empirical work emphasizes the importance of the extensive margin of trade (new exporters, new export activities) for long run export growth. In this context, understanding the determinants of duration of new exporters is key for underpinning the dynamics of exports growth. As new exporters tend to show low survival rates, identifying the determinants of export duration is highly relevant for academic and policy purposes. In this paper, we explore whether information externalities arising from different levels of spatial interaction allow new exporters to increase the duration of their trade activities. For this, we use transaction level data on Colombian exports between 2004 and 2011. Results show that export networks, understood as the agglomeration of exporting firms at different spatial levels, reduce the risk of dropping out from exporting and that this effect is stronger the more similar are export activities carried out by firms

Estructuras organizacionales, esquemas salariales y calidad educativa en América Latina: un estudio comparativo de los casos de Chile, México, Perú y Uruguay

Las deficiencias que registran los diferentes países de América Latina en los indicadores relacionados con el rendimiento escolar y la calidad educativa han sido un tema recurrente en la agenda política de los gobiernos de la región durante las últimas décadas. Diferentes estudios sugieren la incidencia de variables como la razón maestro/alumno, el gasto per cápita y la formación docente, entre otros. Sin embargo, se ha explorado muy poco la influencia de variables como la estructura organizacional, los sistemas de evaluación, los esquemas salariales y los incentivos, entre otros. Este trabajo pretende realizar una caracterización del desarrollo de estos aspectos para cuatro países de América Latina: Chile, México, Perú y Uruguay, en el marco de las reformas educativas emprendidas en los noventas. Adicionalmente se presenta un análisis de los principales resultados obtenidos hasta el momento, discriminados en dos tipos: la evolución de los salarios docentes y el mejoramiento en los resultados académicos de los estudiantes.

Forecasting the spot prices of various coffee types using linear and non-linear error correction models

Este documento estima modelos lineales y no-lineales de corrección de errores para los precios spot de cuatro tipos de café. En concordancia con las leyes económicas, se encuentra evidencia que cuando los precios están por encima de su nivel de equilibrio, retornan a éste mas lentamente que cuando están por debajo. Esto puede reflejar el hecho que, en el corto plazo, para los países productores de café es mas fácil restringir la oferta para incrementar precios, que incrementarla para reducirlos. Además, se encuentra evidencia que el ajuste es más rápido cuando las desviaciones del equilibrio son mayores. Los pronósticos que se obtienen a partir de los modelos de corrección de errores no lineales y asimétricos considerados en el trabajo, ofrecen una leve mejoría cuando se comparan con los pronósticos que resultan de un modelo de paseo aleatorio.

Information provision in procurement auctions

We analyze the optimal provision of information in a procurement auction with horizontally differentiated goods. The buyer has private information about her preferred location on the product space and has access to a costless communication device. A seller who pays the entry cost may submit a bid comprising a location and a minimum price. We characterize the optimal information structure and show that the buyer prefers to attract only two bids. Further, additional sellers are inefficient since they reduce total and consumer surplus, gross of entry costs. We show that the buyer will not find it optimal to send public information to all sellers. On the other hand, she may profit from setting a minimum price and that a severe hold-up problem arises if she lacks commitment to set up the rules of the auction ex-ante.

El derecho del trabajo y de la seguridad social: discusiones y debates

La relación entre el Derecho del Trabajo y la economía determina no sólo la génesis de esta disciplina, sino las coyunturas que deben afrontarse para hacer viable la generación de empleo, sin desproteger las condiciones mínimas que garanticen el derecho al trabajo, bajo los parámetros establecidos en la Constitución. Esta obra presentatambién unanálisis del impacto de la crisis económica mundial en materia de derecho individual, colectivo y procesal del trabajo, sin dejar de lado la seguridad social, las reformas y elanálisis que deben adoptarse para afrontarla.

La guerra de Irak 2003: los interés ocultos de las multinacionales petroleras y su influencia en los miembros permanentes del consejo de seguridad de la ONU

El presente estudio de caso tiene como objetivo mostrar el vínculo que hay entre las multinacionales petroleras y las decisiones que tomaron los cinco miembros permantes del Consejo de Seguridad de la ONU (China, Rusia, Francia, Estados Unidos y Reino Unido) a comienzos del año 2003. Para ello se comparara las posiciones que tomó cada Estado, respecto al proyecto de resolución de la guerra contra Irak, con los intereses de sus multinacionales petroleras. Lo anterior, con el fin de comprobar que debido al gran poder económico que tienen las petroleras, éstas ejercen influencia en las decisiones políticas que toma el Estado y, no solo influyen estatalmente sino que logran permear otros escenarios como el Consejo de Seguridad. Por ello se evaluara el papel que cumple la facultad de veto en la aprobación de resoluciones concernientes a la guerra de Irak.