Following the adoption of information and communication technologies (ICT), firms may react to increasing skill requirements either by training or hiring the new skills, or a combination of the two.Using matched datasets with about 1,000 French plants, we assess the relative importance of these...

Although many developing countries have experienced an increase in the relative demand for skilled workers leading to a rise in wage inequality, the role played by trade in this trend remains a matter of debate. Using a firm-level database covering manufacturing and non-manufacturing sectors in...

In spite of its predominant economic weight in developing countries, little is known about informal sector income dynamics vis-à-vis the formal sector. Some works have been done in this field using household surveys, but they only consider some emerging Latin American countries (Argentina,...

Democratic Republic of Congo has known dramatic events for the last three decades. Statistical social economic data did not exist really or not available in the period. The Labour force survey, the first phase of the 1-2-3 survey, carried out in 2004-2005 and conducted by the National Statistic...

Democratic Republic of Congo has known dramatic events for the last three decades. Statistical social economic data did not exist really or not available in the period. The Informal Sector survey, the second phase of the 1-2-3 survey, carried out in 2004-2005 and conducted by the National...

In spite of its predominant economic weight in developing countries, little is known about the informal sector earnings structure compared to that of the formal sector. Taking advantage of the rich VHLSS dataset in Vietnam, in particular its three wave panel data (2002, 2004, 2006), we assess...

A principal needs a worker for the production of a good. The worker can be hired as an internal agent, or an external agent under a contract. These two organizational modes correspond to in-house production and outsourcing, respectively. In each case, the agent earns experience benefits: future...

The second wave of the 1-2-3 survey was carried out in the Democratic Republic of Congo in 2012. It allows for important insights on basic socio-economic indicators for the first time since the first wave was carried out in 2004-2005. The present survey differs from the previous one in that a...

Based on evolutionist theories and project management knowledge, a connectionist model based on genetic algorithm is built to simulate innovation process in organizations. Transformation and selection produce micro dynamics to create macro behavior in the agents' population. Results clarify...