We propose a flexible dynamic panel stochastic frontier model with a feasible estimation strategy. The model accommodates individual heterogeneity and allows for an ARMA (p, q) specification of the model's serial correlations. Distribution assumptions are also flexible. The dynamics are...

Stochastic particle methods for the coagulation-fragmentation Smoluchowski equation are developed and a general variance reduction technique is suggested. This method generalizes the mass-flow approach due to H. Babovsky, and has in focus the desired band of the size spectrum. Estimations of the...