belt-tightening vs economic

belt-tightening

adj
  • Causing or involving a reduction in expenditure. 

noun
  • A reduction in expenditure, often as a result of financial restrictions. 

economic

adj
  • Frugal; cheap (in the sense of representing good value); economical. 

  • Pertaining to an economy. 

  • Pertaining to the study of money and its movement. 

How often have the words belt-tightening and economic occurred in a corpus of books? (source: Google Ngram Viewer )