by+rate
131Rate of exploitation — The rate of exploitation is a concept in Marxian political economy. It usually refers to the ratio of the total amount of unpaid labor done (surplus value) to the total amount of wages paid (the value of labour power). The rate of exploitation is …
132rate — I. /reɪt / (say rayt) noun 1. a certain quantity or amount of one thing considered in relation to a unit of another thing and used as a standard or measure: at the rate of 60 kilometres an hour. 2. a fixed charge per unit of quantity: a rate of… …
