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...

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...

Many empirical and behavioral studies identify a decreasing slope in the term structure of subjective discount rates. Using an experimental methodology based on “free-time” relative comparisons, this paper aims to identify in individual behaviors whether agents see their psychological value...

ELECTRE TRI is a method designed to sort alternatives evaluated on several criteria into ordered categories. The original method uses limiting profiles. A recently introduced variant uses central profiles. We study the relations between these two variants. We do so by investigating if an ordered...

This article provides an overview of the literature on the psychological value of time. It discusses various determinants of the discount rate and the possibility of hyperbolic discounting. The historical approach helps us to trace the origins of the concept of psychological value of time. This...

Strategy is made of moves, counter-moves, adjustments, actions and reactions. It is founded on an ever-changing external and internal context where numerous actors continuously modify the rules of the game. In these contexts, managers can’t rely on effective planned processes. They have to...

Many empirical and behavioral studies underline the idea of a non-flat term structure of subjective interest rates with a decreasing slope. Using an empirical test, this paper aims at identifying in individual behaviors whether agents see their psychological value of time decreasing or not. We...

Hypothetical bias is a long-standing issue in stated preference and contingent valuation studies—people tend to overstate their preferences when they do not experience the real monetary consequences of their decision. This view, however, has been challenged by recent evidence based on the...