[suh-plahy-sahyd] 
| of or pertaining to a theory that stresses the reduction of taxes, esp. for those of higher income, as a means of encouraging business investment and growth and stabilizing the economy. |
| sup·ply-side (sə-plī'sīd') adj. Of, relating to, or being an economic theory that increased availability of money for investment, achieved through reduction of taxes especially in the higher tax brackets, will increase productivity, economic activity, and income throughout the economic system. supply side n., sup·ply'-sid'er n. |