<P> In macroeconomics, the guns versus butter model is an example of a simple production--possibility frontier . It demonstrates the relationship between a nation's investment in defense and civilian goods . In this example, a nation has to choose between two options when spending its finite resources . It may buy either guns (invest in defense / military) or butter (invest in production of goods), or a combination of both . This may be seen as an analogy for choices between defense and civilian spending in more complex economies . </P> <P> The "guns or butter" model is used generally as a simplification of national spending as a part of GDP . The nation will have to decide which balance of guns versus butter best fulfills its needs, with its choice being partly influenced by the military spending and military stance of potential opponents . Researchers in political economy have viewed the trade - off between military and consumer spending as a useful predictor of election success . </P>

What does the economic concept of guns or butter mean