With reference to Tax Buoyancy in an economy, consider the following statements:
1.A tax buoyancy greater than 1 implies that tax revenue is growing at a faster rate than GDP.
2.Tax buoyancy is unaffected by discretionary tax policy changes such as rate revisions or new tax measures.
3.A declining tax buoyancy necessarily indicates inefficiency in tax administration.
Which of the statements given above is/are correct?