encyclopedia

DISADVANTAGED BUSINESS ENTERPRISE

A business which is at least 51% owned or, in the case of a corporation, in which 51% of the stock is owned, and operated by one or more socially and economically disadvantaged individuals. Society and economically disadvantaged individuals include…

DISAGGREGATE DATA

Information on the individual as opposed to averages or similar descriptors of a group of individuals. (TRB)

DISAGGREGATE DEMAND MODEL

A model that is calibrated by using the observations of the travel choice behavior of individuals directly and is usually set up as a probabilistic model. (TRB)

DISCRETIONARY FUNDS

Any funds that have restricted allocation toward certain uses. Decisions on the allocation of discretionary funds are usually made by an agency or person on the basis of that agency’s or person’s choice or judgment and in accordance with criteria…

DISCRETIONARY SPENDING

A federal budgetary term that refers to any funds whose distribution is not automatic. Discretionary spending encompasses programs controlled by annual appropriations bills and is subject to the constraints imposed by the discretionary spending limits set in the balanced budget…

DISINCENTIVE

Something that discourages people from acting in a certain way. For example, high parking fees or tolls are disincentives to automobile use. (TRB)