The constraint or budget line, in the diagram below, represents the possible levels of consumption in the two periods given the individual's level of present income, future expected income and the prevailing interest rate 'r'.
Wasp, common name applied to most species of hymenopteran insects, except bees and ants. Insects known as wasps include the sawflies, the parasitic wasps, and the stinging wasps, which are the best known. About 75,000 species of wasps are known, most of them parasitic. Characteristics.
How to Identify Wasps Three Methods: Identifying Wasps by Physical Characteristics Recognizing Wasps Habitats Differentiating Between Wasps and Bees Community Q&A The wasp family of insects includes thousands of species all around the world, most of which are predatory.