This paper provides new evidence on the objectives and determinants of different typesof innovations and patents, environmental as opposed to other innovations and patents,and different variants of environmental innovations and patents. We investigate howfirm-specific and sector-specific driving...

The macro evidence of increased adjustment pressure since the early seventies suggests that job mobility should have increased. Hence, retrospective and spell data from the German Socio-Economic Panel are combined in order to test the hypothesis that job stability for German workers declined...

We combine currently popular count data methods with earlier work by Vaughan and Russell on varying parameter travel cost models to model trip demand and calculate consumer surplus. We test and reject the hypothesis that per trip consumer surplus from guided rafting is invariant to river...

I develop a new approach for sample selection problems that allows parametric forms of any type to be chosen for both for the selection and the observed variables. The Generalized Parametric Selection (GPS) model can incorporate both duration and count data models, unlike previous parametric...

Existing studies on the economic impact of wildfire smoke have focused either on single fire events or entire fire seasons without distinguishing between individual occurrences. Neither approach allows for an examination of the marginal effects of fire attributes, such as distance and fuel type,...

The intention of this article is to evaluate the exogenous dismissal probability for a certain worker depending on her characteristics for the Polish labor market. To model this phenomenon I considered a range of count data models. In the analysis the data from the Polish General Social Survey...

This article analyzes the evolution of the number of children in Uruguayan households during the last decade. With that purpose, differences in the number of children per household and in fertility, by socioeconomic strata, are considered in the period 1996-2006. We then estimate different...

To date there does not exist one a generally acceptable measure or index of Specialization in International Trade. The intention of this article is to evaluate the exogenous dismissal probability for a certain worker depending on her characteristics for the Polish labor market. To model this...