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    <title>EconStor Community: Verein für Socialpolitik</title>
    <link>http://hdl.handle.net/10419/25</link>
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      <title>Parametric Lorenz Curves and the Modality of the Income Density Function</title>
      <link>http://hdl.handle.net/10419/67390</link>
      <description>Title: Parametric Lorenz Curves and the Modality of the Income Density Function
&lt;br/&gt;
&lt;br/&gt;Authors: Krause, Melanie
&lt;br/&gt;
&lt;br/&gt;Abstract: Similar looking Lorenz Curves can imply very different income density functions and potentially lead to wrong policy implications regarding inequality. This paper derives a relation between a Lorenz Curve and the modality of its underlying income density: Given a parametric Lorenz Curve, it is the sign of its third derivative which indicates whether the density is unimodal or zeromodal (i.e. downward-sloping). Several single- parameter Lorenz Curves such as the Pareto, Chotikapanich and Rohde forms are associated with zeromodal densities. The paper contrasts these Lorenz Curves with the ones derived from the (unimodal) Lognormal density and the Weibull density, which, remarkably, can be zero- or unimodal depending on the parameter. A performance comparison of these five Lorenz Curves with Monte Carlo simulations and data from the UNU-WIDER World Income Inequality Database underlines the relevance of the theoretical result: Curve-fitting of decile data based on criteria such as mean squared error might lead to a Lorenz Curve implying an incorrectly-shaped density function. It is therefore important to take into account the modality when selecting a parametric Lorenz Curve.</description>
      <pubDate>Sat, 29 Oct 2011 22:58:59 GMT</pubDate>
    </item>
    <item>
      <title>Technological Capabilities of Chinese Enterprises: Who is Going to Compete Abroad?</title>
      <link>http://hdl.handle.net/10419/62081</link>
      <description>Title: Technological Capabilities of Chinese Enterprises: Who is Going to Compete Abroad?
&lt;br/&gt;
&lt;br/&gt;Authors: Böing, Philipp; Müller, Elisabeth
&lt;br/&gt;
&lt;br/&gt;Abstract: The objective of this study is to investigate the relation between increasing Chinese high-tech exports and the technological capabilities of Chinese companies. China s recent innovation policy provides substantial incentives for companies to pursue technological upgrading and internationalization strategies. For our analysis, we extend models of New New Trade Theory to include the aspect of the technological capabilities of companies. We use the share of international patent applications as a proxy for exports and find that companies with higher total factor productivity and more valuable technology, as measured with citations received, are more likely to go international. Considering the implications of transport cost, we find that companies located in China s coastal region are more likely to export. We do not find evidence that the inclination to export is dominated by policy considerations.</description>
      <pubDate>Sat, 29 Oct 2011 22:58:59 GMT</pubDate>
    </item>
    <item>
      <title>The impact of risk perception and risk attitudes on corrupt behavior: Evidence from a petty corruption experiment</title>
      <link>http://hdl.handle.net/10419/62022</link>
      <description>Title: The impact of risk perception and risk attitudes on corrupt behavior: Evidence from a petty corruption experiment
&lt;br/&gt;
&lt;br/&gt;Authors: Fahr, René; Djawadi, Behnud Mir
&lt;br/&gt;
&lt;br/&gt;Abstract: We investigate one possible explanation for corrupt behavior namely that individual decision makers who engage frequently in illegal actions might underestimate the overall probability of being caught. This might be in particular true for petty corruption where small amounts of bribes are involved and detection rate is rather low. To abstract from confounding effects of reciprocal behavior we design an experiment where a public official decides upon accepting a bribe that leads to a higher present period income while facing the risk of being audited and left with a considerable lower income in all subsequent periods. Because risk attitudes might be different when putting earned versus endowed income at risk we compare treatments where participants either receive an endowment beforehand or earn their income by conducting a real effort task in every period. Independent of the treatments we already find high rates of corruption in very early periods. Risk attitudes measured with a subsequent lottery-choice experiment do not correlate with the behavior observed in the corruption experiment. We explain our findings by a systematic underestimation of the overall probability to be audited. Although detection probability is small in each period, the probability of being caught only once is substantially high when engaging in corrupt behavior on a regular basis. Our findings have important political implications because the underestimation of the total risk involved in engaging in corrupt behaviour might nullify measures to fight petty corruption by increased governmental auditing.</description>
      <pubDate>Sat, 29 Oct 2011 22:58:59 GMT</pubDate>
    </item>
    <item>
      <title>An Electricity Market Model with Generation Capacity Investment under Uncertainty</title>
      <link>http://hdl.handle.net/10419/62068</link>
      <description>Title: An Electricity Market Model with Generation Capacity Investment under Uncertainty
&lt;br/&gt;
&lt;br/&gt;Authors: Schröder, Andreas
&lt;br/&gt;
&lt;br/&gt;Abstract: This article presents an electricity dispatch model with endogenous electricity generation capacity expansion for Germany over the horizon 2035. The target is to quantify how fuel price uncertainty impacts investment incentives of thermal power plants. Results point to ndings which are in line with general theory: Accounting for stochasticity increases investment levels overall and the investment portfolio tends to be more diverse.</description>
      <pubDate>Sat, 29 Oct 2011 22:58:59 GMT</pubDate>
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