Military expenditure is difficult to define. Major issues are functional versus institutional approaches to defense, indirect and intangible costs and benefits and current versus comprehensive accounting. Authoritative institutions have adopted standard definitions but national governments are...

Having a military that is representative of the population is a stated social goal by policy makers. Since the armed forces do not gather data on the family income of recruits, studies on the socioeconomic background have relied on potentially biased geographic data, reaching conflicting...

The effects of military service have been studied for decades, but surprisingly few studies have estimated the effects of World War II (WW2) service, where the focus has been on the impact of this 'total war' on the broader civilian population. Over 90% of Australian males born in the early...