An attribute of a market. In securities markets, tightness is 'the cost of turning around a position over a short period of time.' (Kyle, 1985, p 1316). [Does 'cost' mean trading costs, alone? So does 'turning around' just mean 'trading'?] A labor market is said to be tight if employers have trouble filling jobs, or if there is a long wai... Found on http://www.econterms.com/glossary.cgi?query=tightness