Tips. 1  Buffing too much might make your nails weaker so be careful. 2  Apply a new layer of cuticle oil whenever it has been buffed off. 3  Never buff with file (the coarsest side). 4  Nails should stay shiny for approximately 1 to 2 weeks.
DEFINITION of 'Consumer Price Index-CPI'. A measure that examines the weighted average of prices of a basket of consumer goods and services, such as transportation, food and medical care. The CPI is calculated by taking price changes for each item in the predetermined basket of goods and averaging them; the goods are weighted according to their importance.
Consumer Price Index (CPI) An economic indicator that measures the rate of inflation by tracking the cost of a fixed market basket of goods and services for urban consumers. The consumer price Index is reported as a total number and as the core CPI, which excludes the highly Volatile food and energy prices. CPI is used as the basis for benefit adjustments in government entitlement programs, such as social security, and for cost of living allowances (COLAS) for private-sector organizations.