Productivity variation exists in many empirical settings. In group production, individuals enter and exit the production process at the same time. In this work, Jensen s inequality is formally... This description may be from another edition of this product.
ThriftBooks sells millions of used books at the lowest everyday prices. We personally assess every book's quality and offer rare, out-of-print treasures. We deliver the joy of reading in recyclable packaging with free standard shipping on US orders over $15. ThriftBooks.com. Read more. Spend less.