Crop Weather index insurance: With this type of insurance, the indemnity is based on realizations of a specific weather parameter measured over a pre-specified period of time at a particular weather station or for a given satellite grid.
Definition of stock for English Language Learners. : 1  the supply of goods available for sale in a store. : 2  a supply of something that is available for use. : 3  a share of the value of a company which can be bought, sold, or traded as an investment.
This is a measure of all the goods and services that are sold during a calendar year. By describing this quantity as a flow variable with a fixed interval of a year, economists can quickly compare how a country's national income is changing over time. Stocks are another type of variable in economics. A stock does not have an element that is measured over time like flow variables. Instead, economists take a specific measurement of a stock at a fixed moment. Examples of stock variables include loan quantity and population.