We propose a new methodology to measure worker mobility across occupations and jobs in the US, building on the limited longitudinal dimension of monthly CPS data. For the period 1979–2006, we find that about 3.5% of male workers employed in two consecutive months report different three-digit occupations. This rate is procyclical, mildly rising in the 1980s and falling after 1995. We also revise...

Latin America and the Caribbean (LAC) countries are among global leaders in production exports of agricultural fisheries commodities, accounting for 15% world’s average agri-food export from 1995 to 2019. With rising market competitiveness, considering sector, it is important assess if region can compete against other rivals, what products. Accounting regional potential economic power, remarkab...

according to the literature, economic liberalization is an important factor affecting the intra industry trade (iit). present paper is trying to examine the positive effect of economic liberalization on iran’s iit as well as to review the effectiveness of important components of economic liberalization including privatization, trade liberalization, exchange rate liberalization and financial lib...

In this work, we focus on reversible cyclic codes which correspond to reversible DNA codes or reversible-complement DNA codes over a family of finite chain rings, in an effort to extend what was done by Yildiz and Siap in [20]. The ring family that we have considered are of size 2 k , k = 1, 2, · · · and we match each ring element with a DNA 2k−1-mer. We use the so-called u-adic digit system to...

This paper examines the changes in the population biology and biomass of common kilka (Clupeonella cultriventris caspia) in the Iranian waters of the Caspian Sea from 1995-2004. For most years during this 10-year period, we estimated the age structure of the catch, length-weight relationship, von Bertalanffy growth parameters, condition factor, sex ratios, maturity stages determined from ovaria...