Erik Bergkvist

Forecasting interregional freight flows by gravity models. Utilising OLS-, NLS- estimations and Poisson-, Neural Network- specifications.

Erik Bergkvist, Lars Westin, 1998 .

Weighted Derivative Estimation of Quantal Response Models: Simulations and Applications to Choice of Truck Freight Carrier

Per Johansson, Erik Bergkvist, P. Johansson, 2000, Comput. Stat..

The value of time and forecasting of flowsin freight transportation

Erik Bergkvist, E. Bergkvist, 2001 .

Estimation of gravity models by OLS estimation, NLS estimation, Poisson, and Neural Network specifications

Erik Bergkvist, Lars Westin, 1997 .

Regional valuation of infrastructure and transport attributes for Swedish road freight

Erik Bergkvist, Lars Westin, E. Bergkvist, 2001 .

Regional valuation of infrastructure improvements. The case of Swedish road freight

Erik Bergkvist, Lars Westin, E. Bergkvist, 1998 .

Estimation of interregional freight flows with a gravity model by OLS estimation, Poisson and neural network specifications

Erik Bergkvist, Lars Westin, 1998 .