centrica profits Then the interest rate theory of the loan is the interest rate theory of neoclassical school, which is proposed to correct Keynes's theory of "liquidity preference". In some ways, the theory of interest rate can be regarded as a synthesis of classical interest rate theory and Keynesian theory. In general, the banking sector is healthier. While some banks are struggling, many banks have experienced improvements in operations. The following outstanding banks are chosen as based on eight measures on financial health including net interest margin, return normally equity, nonperforming loans, and reserves as being a percentage of NPLs. Enterprise due to withdraw, and transfer or liquidation disposal of equity investment and equity investment losses, can be in pre-tax deduction, but the deduction of each tax year equity investment losses, shall not exceed the implementation of equity investment income and transfer income, more than part can be to a tax year after deduction carry forward indefinitely. Accounting earnings include only realized gains, and exclude unrealized gains and losses, the economic benefits will be enterprise's operating earnings and are favorable to the same treatment, regardless of whether they have been implemented. Thus, in general, accounting gains are less than economic gains, and the difference is mainly in the interest.