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Papers by Patrick Corbel
Economie Et Statistique, 1986
[fre] En 1985, le recours aux contrats à durée déterminée s'est à nouveau intensi... more [fre] En 1985, le recours aux contrats à durée déterminée s'est à nouveau intensifié, alors que l'embauche « ferme » est restée pratiquement stationnaire. Fait nouveau : la progression a été plus rapide chez les hommes, et elle a concerné davantage d'emplois qualifiés. . Il serait cependant faux d'opposer terme à terme embauches fermes et embauches sur contrats à durée
Economie Et Statistique, 1986
[fre] En 1985, le recours aux contrats à durée déterminée s'est à nouveau intensifié, alo... more [fre] En 1985, le recours aux contrats à durée déterminée s'est à nouveau intensifié, alors que l'embauche « ferme » est restée pratiquement stationnaire. Fait nouveau : la progression a été plus rapide chez les hommes, et elle a concerné davantage d'emplois qualifiés. . Il serait cependant faux d'opposer terme à terme embauches fermes et embauches sur contrats à durée
Using data that permit a distinction between flows of workers, directly measured, and job creatio... more Using data that permit a distinction between flows of workers, directly measured, and job creation and destruction, again, directly measured, we develop employment and job flow statistics for a representative sample of French establishments for 1987 to 1990. Annual job creation can be characterized as hiring three persons and separating two for each job created in a given year.
Review of Economics and Statistics, 1999
Using data that permit a distinction between flows of workers, directly measured, and job creatio... more Using data that permit a distinction between flows of workers, directly measured, and job creation and destruction, again, directly measured, we develop employment and job flow statistics for a representative sample of French establishments for 1987 to 1990. Annual job creation can be characterized as hiring three persons and separating two for each job created in a given year.
A recent line of treemap research has focused on layout algorithms that optimize properties such ... more A recent line of treemap research has focused on layout algorithms that optimize properties such as stability, preservation of ordering information, and aspect ratio of rectangles. No ideal treemap layout algorithm has been found, and so it is natural to explore layouts that produce non-rectangular regions. This note describes a connection between space-filling visualizations and the mathematics of space-filling curves, and uses that connection to characterize a family of layout algorithms which produce nonrectangular regions but enjoy geometric continuity under changes to the data and legibility even for highly unbalanced trees.
Economie Et Statistique, 1986
[fre] En 1985, le recours aux contrats à durée déterminée s'est à nouveau intensi... more [fre] En 1985, le recours aux contrats à durée déterminée s'est à nouveau intensifié, alors que l'embauche « ferme » est restée pratiquement stationnaire. Fait nouveau : la progression a été plus rapide chez les hommes, et elle a concerné davantage d'emplois qualifiés. . Il serait cependant faux d'opposer terme à terme embauches fermes et embauches sur contrats à durée
Economie Et Statistique, 1986
[fre] En 1985, le recours aux contrats à durée déterminée s'est à nouveau intensifié, alo... more [fre] En 1985, le recours aux contrats à durée déterminée s'est à nouveau intensifié, alors que l'embauche « ferme » est restée pratiquement stationnaire. Fait nouveau : la progression a été plus rapide chez les hommes, et elle a concerné davantage d'emplois qualifiés. . Il serait cependant faux d'opposer terme à terme embauches fermes et embauches sur contrats à durée
Using data that permit a distinction between flows of workers, directly measured, and job creatio... more Using data that permit a distinction between flows of workers, directly measured, and job creation and destruction, again, directly measured, we develop employment and job flow statistics for a representative sample of French establishments for 1987 to 1990. Annual job creation can be characterized as hiring three persons and separating two for each job created in a given year.
Review of Economics and Statistics, 1999
Using data that permit a distinction between flows of workers, directly measured, and job creatio... more Using data that permit a distinction between flows of workers, directly measured, and job creation and destruction, again, directly measured, we develop employment and job flow statistics for a representative sample of French establishments for 1987 to 1990. Annual job creation can be characterized as hiring three persons and separating two for each job created in a given year.
A recent line of treemap research has focused on layout algorithms that optimize properties such ... more A recent line of treemap research has focused on layout algorithms that optimize properties such as stability, preservation of ordering information, and aspect ratio of rectangles. No ideal treemap layout algorithm has been found, and so it is natural to explore layouts that produce non-rectangular regions. This note describes a connection between space-filling visualizations and the mathematics of space-filling curves, and uses that connection to characterize a family of layout algorithms which produce nonrectangular regions but enjoy geometric continuity under changes to the data and legibility even for highly unbalanced trees.