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This paper proposes an ex ante evaluation of the effects of new labor contracts such as the \"Contrat Nouvelle Embauche\" (CNE) introduced in France in 2005. The lessons we draw are of sufficiently general interest to be applicable to other countries or reforms of employment protection laws. Using a model that captures the characteristics of the French labor market, we simulate the effects of this reform on unemployment, employment, and welfare. We estimate that the CNE will lead to the creation of 70,000 additional jobs in the long run, but at the cost of a slight deterioration in welfare.

Over the last 15 years, the reforms of employment protection legislation (EPL) in European countries have mainly eased hiring and firing restrictions for temporary employment while leaving the strict EPL provisions for regular or permanent contracts unchanged. Recent reforms in France follow this pattern. Using a search-matching model, we argue that this type of partial reform is inefficient: easing restrictions on temporary jobs fosters both job creation and job destruction, but strict EPL discourages both. The overall impact on equilibrium unemployment is thus ambiguous, depending on the characteristics of the specific labor market. Simulations of the model, calibrated for the French labor market, suggest that the job destruction effect is stronger, thus raising the unemployment rate.

This study investigates the impact of unemployment and labour productivity on relative wages in Polish counties (powiats) from 2008 to 2021. Labour productivity is measured as the ratio of sold industrial production to the number of workers. The data is sourced from the Local Data Bank of Statistics Poland. The analysis employs the Solow model of efficiency wages, the neoclassical Solow model, and the Durbin model of spatial econometrics. The results reveal that both unemployment and labour productivity are statistically significant in explaining relative wages, with unemployment having the strongest, albeit negative, effect during the study period. Notably, changes in unemployment rates or wages in a county influence wage changes in neighbouring counties. The issue of spatial wage differences at the county level in Poland has not been sufficiently explored in recent years. Although recent research has focused on regional (voivodeship-level) wage differences, there remains a gap in understanding wage differences at the county level. Given changes in the Polish labour market, particularly due to the COVID-19 pandemic, this study aims to update previous findings and provide a more detailed analysis.

In classical theory, the labour market operates as any other market, that is, the supply and demand determines the equilibrium between wages and the number of employees. The Keynesians went a step further by pointing out that the labour market does not follow the same principle as other markets and that wages do not change due to numerous rigidities, i.e. that the equilibrium is not achieved with full employment. The neoclassical macroeconomics reverts to the classical theory, noting that the labour market equilibrium is achieved immediately. The weakness of these theories is that they do not sufficiently consider specific features of the labour market and/or human labour. However, the new Keynesians went a step further in this direction by developing the efficiency wage model incorporating both economic and sociological explanations in the labour market interpretation. Nevertheless, it seems that there is still enough room for further improvements of this model and the paper communicates certain suggestions to that end

In classical theory, the labour market operates as any other market, that is, the supply and demand determines the equilibrium between wages and the number of employees. The Keynesians went a step further by pointing out that the labour market does not follow the same principle as other markets and that wages do not change due to numerous rigidities, i.e. that the equilibrium is not achieved with full employment. The neoclassical macroeconomics reverts to the classical theory, noting that the labour market equilibrium is achieved immediately. The weakness of these theories is that they do not sufficiently consider specific features of the labour market and/or human labour. However, the new Keynesians went a step further in this direction by developing the efficiency wage model incorporating both economic and sociological explanations in the labour market interpretation. Nevertheless, it seems that there is still enough room for further improvements of this model and the paper communicates certain suggestions to that end. U klasicnoj teoriji trziste rada funkcionise kao i svako drugo trziste rada, to jest odnos ponude i traznje odredjuje ravnoteznu nadnicu i broj zaposlenih radnika. Korak dalje su napravili kejnzijanci koji su ukazali da trziste rada ne funkcionise po istim principima kao i druga trzista i da se zbog brojnih rigidnosti nadnica ne menja sa promenama ponude i traznje, odnosno da se ne uspostavlja ravnoteza na nivou pune zaposlenosti. Nova klasicna makroekonomija se vraca na klasicnu teoriju uz isticanje da se ravnoteza na trzistu rada ostvaruje trenutno. Slabost ovih objasnjenja je sto nisu u dovoljnoj meri inkorporila specificnosti trzista rada, odnosno ljudskog rada. Iskorak u tom smislu predstavlja model efikasne nadnice, koji su razvili novi kejnzijanci. Model efikasne nadnice u objasnjenju funkcionisanja trzista rada inkorporira ekonomska i socioloska objasnjenja. Ipak, stice se utisak da postoji znacajan prostor za dalje unapredjenje ovog modela i odredjene sugestije u tom pravcu se daju u radu.

Improving access to productive employment is a key policy challenge, especially in low-income countries (LICs), where the only asset in abundance is labor. Building on ongoing research on earnings mobility, this study uses unusually rich longitudinal data from Ghana and Tanzania to identify engines of, and barriers to, earnings and earnings mobility. It examines the role of individual characteristics such as gender, age, and skills and characteristics of the job, but it also focuses on the role of job switches for example, moves into and out of self-employment. It zooms in particularly on the drivers of transitions between low-paying and high-paying jobs, and addresses questions such as whether being low paid is a transitory or permanent phenomenon, and whether it has a scarring effect on an individual's employment prospects. The extent to which earnings dynamics differ for women and young adults is also discussed in detail. The cross-country comparison of earnings dynamics and labor market transitions helps shed light on the institutional factors that promote labor market mobility and entrepreneurship. The report is organized as follows: chapter one gives introduction. Chapter two presents a brief review of related literature. Chapter three gives a descriptive overview of the labor markets in the two countries. Chapter four examines the determinants of earnings levels. Chapter five examines determinants of earnings growth. Chapter six focuses on low-pay and high-pay transitions and analyzes whether the experience of being in a low-paying job undermines an individual's future earnings prospects. Chapter seven discusses key policy implications.

SummaryThe method of penalized least squares with partial splines is introduced to estimate the representative worker’s unobserved effort function e(w). The data used is a cross-sectional sample from Finnish industry in the year 1991. Well-defined estimates are obtained using a partially linear labour demand model. Wage depended non-linearities in labour demand curve are identified with estimated effort function. The small sample distributions of conducted specifications tests are derived with bootstrap methods. A GAUSS 3.2. program for semiparametric estimation is included.

This study provides a test of competitive theories of wage determination using data on individual wages and personal characteristics from the 1986 Australian Income Distribution Survey.