Declan, a phd candidate, tells his department's undergraduate student organization that his dissertation research is in the area of motivation. declan is investigating the:

Which statement describes a monopoly? many firms produce identical products with no control over the market price. many firms produce differentiated products with control over market price. a single firm produces a product with no close substitutes and control over the market price. a single firm produces a product with many close substitutes and limited control over the market price.

Suppose that real interest rates increase across europe. this development will u. s. net capital outflow at all u. s. real interest rates. this causes the loanable funds to because net capital outflow is a component of that curve.

When cell phones were first entering the market, they were relatively large and reception was undependable. all cell phones were essentially the same. but as the technology developed, many competitors entered, introducing features unique to their phones. today, cell phones are only a small fraction of the size and weight of their predecessors. consumers can buy cell phones with color screens, cameras, internet access, daily planners, or voice activation (and any combination of these features). the history of the cell phone demonstrates what marketing trend?