This paper examines whether controlling for the type of career interruption has different effects on men's and women's wages. One argument for the persistence of the gender wage gap is that previously researchers have used poor measures of experience to estimate men's and women's wages. This paper extends the career interruption literature by estimating men's and women's wages including controls for both the type and timing of interruptions. Findings show similar wage effects for men's and women's wages while controlling for the type of interruption. These results are consistent with the basic human capital model, but are inconsistent with previous empirical research.

Wage structure has shown to be crucial for firms and workers. However, there existwage dispersion for identical workers in labor markets. The paper measures the effectof industry and firm size on wages in Sweden. The results show that both industry andfirm size have significant effects on wages. Regarding the explanation factors, thefinding is that human capital factors can explain a portion of the industry wagedifferentials, but have less impact on wage differentials across firm size. However,compensating differentials and union organization are not the determinants of theindustry wage differentials and firm size-wage effects. In addition, unobservedindividual characteristics can partly explain firm size effect on wages, but cannotexplain industry wage differentials based on our samples.

The main objective of this research is to estimate internal and external wage effects associated with a changing share of college graduates in Canada. This paper uses data drawn from the Canadian 1991, 1996, and 2001 Public Use Microdata File for 25 to 65 years old individuals working full-time and full-year in metropolitan areas. These workers are then separated into four different levels of education groups in order to estimate the effect of change in the share of college-educated workers on their earnings. <p>The Ordinary Least Squares (OLS) estimates, controlling for potential work experience, total years of schooling, individual occupation, employment industry, immigration status, visible minority status, show a significant positive relationship between the percentage change of the share of college-educated workers and the percentage change of individuals real weekly wage rates. We found that one percentage point increase in a census metropolitan areas share of college-graduated workers was associated with a 0.35 percentage change in all workers wage rates in that city. For separated education groups, our results showed that a one percentage expansion in the supply of college-graduated workers raised less than high schools wage rate by 0.245 percent, raised high-school graduates wage rate by 0.363 percent, raised more than college-educated workers wage rate by 0.385 percent, and raised college-educated wage rate by 0.326 percentage. These results are consistent with the conclusion arrived at by E. Moretti, (2004) that all types of workers earnings increased when a citys share of college graduates rose.

The main objective of this research is to estimate internal and external wage effects associated with a changing share of college graduates in Canada. This paper uses data drawn from the Canadian 1991, 1996, and 2001 Public Use Microdata File for 25 to 65 years old individuals working full-time and full-year in metropolitan areas. These workers are then separated into four different levels of education groups in order to estimate the effect of change in the share of college-educated workers on their earnings. <p>The Ordinary Least Squares (OLS) estimates, controlling for potential work experience, total years of schooling, individual occupation, employment industry, immigration status, visible minority status, show a significant positive relationship between the percentage change of the share of college-educated workers and the percentage change of individuals real weekly wage rates. We found that one percentage point increase in a census metropolitan areas share of college-graduated workers was associated with a 0.35 percentage change in all workers wage rates in that city. For separated education groups, our results showed that a one percentage expansion in the supply of college-graduated workers raised less than high schools wage rate by 0.245 percent, raised high-school graduates wage rate by 0.363 percent, raised more than college-educated workers wage rate by 0.385 percent, and raised college-educated wage rate by 0.326 percentage. These results are consistent with the conclusion arrived at by E. Moretti, (2004) that all types of workers earnings increased when a citys share of college graduates rose.

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Diese Dissertation umfasst drei Aufsätze, von denen sich die ersten beiden mit dem Phänomen der beruflichen Mobilität von Arbeitnehmern im westdeutschen Arbeitsmarkt befassen. Der erste Aufsatz untersucht für Absolventen einer dualen Berufsausbildung die kausalen Lohneffekte von Mobilität über Firmen und Berufe hinweg. Die Instrumentenvariablenschätzungen, welche exogene Variation in regionalen Arbeitsmarktcharakteristika ausnutzen, zeigen, dass Berufswechsel innerhalb des Ausbildungsbetriebs einen Karrierefortschritt darstellen. Bei Jobwechseln dominiert der Verlust von firmenspezifischem Humankapital. Allerdings nimmt der Lohnverlust nicht weiter zu, wenn zusätzlich zur Firma auch der Beruf gewechselt wird. Angesichts dieser Ergebnisse dokumentiert der zweite Aufsatz Muster von beruflicher Mobilität in Westdeutschland über den Zeitraum 1982--2008 innerhalb von und zwischen Firmen. Die Häufigkeit von beruflicher Mobilität hat seit 1982 zwischen Firmen signifikant zugenommen und innerhalb von Firmen signifikant abgenommen. Die Analyse betrachtet zudem mögliche Erklärungsansätze für diese Entwicklungen, wie zum Beispiel den demografischen Wandel oder den Zusammenhang zwischen beruflicher Mobilität und Arbeitslosigkeit. Der dritte Aufsatz untersucht den Zusammenhang zwischen Produktmarktderegulierung und Arbeitsmarktergebnissen. Die Reform der deutschen Handwerksordnung von 2003 wird als natürliches Experiment genutzt, um mögliche Einflüsse der Abschaffung von Markteintrittsbarrieren auf selbstständige und abhängige Beschäftigung zu untersuchen. Da Zweifel an der Gültigkeit der identifizierenden Annahmen aufkommen, können die Schätzergebnisse nicht kausal interpretiert werden. Dennoch legen die Ergebnisse zumindest in Teilen nahe, dass der in der Literatur bereits dokumentierte positive Effekt auf selbstständige Beschäftigung plausibel ist, wohingegen die Reform vermutlich keinen Anstieg der abhängigen Beschäftigung in den deregulierten Berufen zur Folge hatte. / This thesis comprises three essays, out of which the first two study the phenomenon of worker mobility across occupations in the West German labor market. The first essay studies the causal wage effects of mobility across firms and occupations among graduates from apprenticeship training. Exploiting variation in regional labor market characteristics the instrumental variables estimations indicate that occupation switches within the training firm involve a career progression. For job switches the loss of firm-specific human capital seems to dominate. However, the wage loss does not grow when an occupation switch occurs simultaneously. In light of these results, the second essay in this thesis studies patterns of occupational mobility in West Germany over the period 1982--2008 separately within and across firms. Most importantly, occupational mobility rates across firms have significantly increased since the early 1980s, while within-firm occupational mobility rates have significantly decreased. The essay also assesses potential explanations for these developments, such as demographic change or the relationship between occupational mobility and unemployment. The third essay in this thesis studies the relationship between product market deregulation and labor market outcomes. It exploits the 2003 reform of the German Crafts Code as a natural experiment to study how the abolishment of barriers to firm entry may affect self-employment and dependent employment. Since there are doubts regarding the validity of the identifying assumptions, the results cannot be interpreted causally. Nevertheless, the analysis at least partially corroborates the evidence for a positive reform effect on self-employment documented elsewhere in the literature, while the reform seems not to have had a positive effect on dependent employment in the deregulated crafts occupations.