The leading business cycle dating committee in the United States of America is the National Bureau of Economic Research (private). The Bureau of Labor Statistics is the principal fact-finding agency for the U.S. government in the field of labor economics and statistics.
3. transference-the act of transfering something from one form to another; the transfer of the music from record to tape suppressed much of the background noise. transfer. change of state-the act of changing something into something different in essential characteristics.
Coherence (physics), an ideal property of waves that enables stationary (i.e. temporally and spatially constant) interference. Coherence (units of measurement), a derived unit that, for a given system of quantities and for a chosen set of base units, is a product of powers of base units with no other proportionality factor than one.