Definition of allowance for English Language Learners. : 1  an amount of money that is given to someone regularly or for a specific purpose. : 2  a small amount of money that is regularly given to children by their parents. : 3  an amount of something (such as time) that is allowed or available.
category development index (CDI) Category development index (CDI) is an index that is calculated by taking the percentage of a product categoryâs total sales that occur in a given market area as compared to the percentage of the total population in the market.
The most widely used real estate benchmark, the NCREIF Property Index (NPI), is composed of approximately 6,950 institutional grade, operating properties valued at over $443 billion. The NPI is designed to measure the performance and return characteristics of a set of core properties on an unleveraged basis.