Microeconomics is primarily concerned with the factors that affect individual economic choices, the effect of changes in these factors on the individual decision makers, how their choices are coordinated by markets, and how prices and demand are determined in individual markets.
Tansy is a perennial member of the aster family, with serrated, fernlike leaves and flat bright yellow flowers that resemble buttons. Originally native to Europe and Asia, tansy is now widely grown and has a number of traditional medicinal uses, though most modern herbalists warn against its use by laymen.
Tansy (Tanacetum vulgare) repels a variety of pests, including ants, mosquitoes, Japanese beetles, striped cucumber beetles, flies, Colorado potato beetles, moths, mice, flea beetles, cabbage worms and squash bugs.Tansy is a perennial that is hardy to USDA Zone 4.int. Both peppermint (Mentha --- piperita) and Spearmint (Mentha spicata) are good at repelling ants as well as moths, flies, mice, fleas and aphids. Mint is also said to improve the flavor of plants in the cabbage family--which includes broccoli, Brussels sprouts, kale, cauliflower---when planted next to it.