Co-authored by Lotus Huyen Vu and Robert T. Muller, Ph.D. In 1994, Stephen Porges introduced the polyvagal theory, based on an evolutionary, neuropsychological understanding of the vagus nerve’s role ...
Self-determination theory (SDT) is an empirically based theory of motivation and psychological development that is especially focused on the basic psychological needs that promote high quality ...
This paper develops a new approach to estimating the degree of informality in an economy. It combines direct yet infrequent measures of the informal economy in micro data with an augmented factor ...