There has been an enormous shift in the global labor market and economies in last five decades due to various factors like globalization, economic recession, migration and global unrest. This book is an assimilation of concepts such as revenue generation and earning by firms, effect of migration on labor supply, employment and poverty, evaluating skill level of labor in emerging economies, etc. From theories to research to practical assessments related to all contemporary topics of relevance to this field have been included in this book. It will help the readers in keeping pace with the rapid changes in this field.