P. Johansson

Bivariate Count Data Regression Using Series Expansions: With Applications

A. Colin Cameron, A. Cameron, P. Johansson, 1997 .

Tests for serial correlation and overdispersion in a count data regression model

P. Johansson, Per Johansson, 1995 .

Panel data regression for counts

Kurt Brännäs, P. Johansson, Kurt Brännäs, 1996 .

Time series count data regression

Kurt Brännäs, P. Johansson, Kurt Brännäs, 1994 .