What are the main components of expenditure?
                                
                                
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                                    5 min read                                
                            
                                According to the U.S. Bureau of Economic Analysis, personal consumption expenditures account for the largest share of a nation's Gross Domestic Product (GDP), underscoring their critical role as one of the main components of expenditure. The aggregate expenditure model provides a foundational framework for understanding how total spending in an economy is categorized and measured.