In the last few decades, the study of ordinal data in which the variable of interest is not exactly observed but only known to be in a specific ordinal category has become important. In Psychometrics such variables are analysed under the heading of item response models (IRM). In Econometrics,...

The first objective was to estimate the digital gender gap in the department of Puno in the year 2021. For this, the probit regression model with sample selection called Heckprobit was applied using data from the Residential Survey of Telecommunications Services for the year 2021 (Erestel, 2021)...

This paper introduces dynamics in the R&D to innovation and innovation to productivity relationships, which have mostly been estimated on cross-sectional data. It considers four nonlinear dynamic simultaneous equations models that include individual effects and idiosyncratic errors correlated...

This paper investigates the differences in early occupational earnings of UK male graduates by degree subject during the period 1980-1993. We match administrative student-level data from the Universities' Statistical Record (USR) and occupational earnings information from the New Earnings Survey...

We present a structural model of firm growth, learning, and survival and consider its identification and estimation. In the model, entrepreneurs have private and possibly errorridden observations of persistent and transitory shocks to profit. We demonstrate that the model's parameters can be...

survey of the econometric literature on survival analysis based on chapter 17 of the cameron and trivedi 2005 micro econometric textbook; preparatory study for the MRes final thesis

In the 1990s, patenting schemes changed in many respects: upcoming new technologies accelerated the shift from price competition towards competition based on technical inventions, a worldwide surge in patenting took place, and the ?patent thicket? arose as a consequence of strategic patenting....

This paper investigates the effect of capital market development on severity of economic contraction, and probability of economic downturn. The major finding is that countries with deeper capital market would face less severe business cycle output contraction, and lower chance of an economic...

This paper investigates the relationships of capital market, severity of economic contraction, and probability of an economic downturn. The finding supports a theoretical prediction that countries with more advanced capital markets would face less severe business cycle output contraction, and a...

Using Italian data, we estimate an option value model to quantify the effectof financial incentives on retirement choices. As far as we know, this isthe first empirical study to estimate the conditional multiple-years modelput forward by Stock and Wise (1990). This implies that we account...