In the United States the unofficial beginning and ending dates of national economic expansions have been defined by an American private nonprofit research organization known as the National Bureau of Economic Research (NBER).he NBER defines an expansion as a period when economic activity rises substantially, spreads across the economy, and typically lasts for several years. During the 19th century, the United States experienced frequent boom and bust cycles.
chronologize definition: the entire process of setting up order in events based on the time occurrence for the occasions.; To arrange in historic order, as events with their dates.; establish the orderâ¦
Here are all the possible meanings and translations of the word chronotype. Wiktionary(0.00 / 0 votes)Rate this definition: Freebase(0.00 / 0 votes)Rate this definition: Chronotype is an attribute of human beings, reflecting at what time of the day their physical functions are active, change or reach a certain level.