The present invention performs the monitoring of the insolvency possibility of macroeconomic and financial environment changes and corporate finance, and on to support the decision of the executive corporate financial early warning methods, corporate financial early warning method according to the present invention ( comprising the steps of: a) using parts of the variable input, the input of the first variable and the second variable, the at least any one of the three variable parameters associated with the company default information related to business loan relating to the economic and financial environment; (B) financial index by using parts of calculation, the first variable and the second variable, the third by using a variable step of calculating the period financial index, and (c) an early warning analysis which match parts of early-warning according to the calculated financial index in that it comprises a step of analyzing the data, characterized in, if in the step (a) that the first variable input, the step (b) is intended for the first variable, (b-1) of at least 32 branches after the extraction of the cycle, the arithmetic mean and includes the step of calculating a long-term financial index, the (b-1) step, (b-1-1) private credit, private credit / GDP, price (KOSPI), housing the step of selecting at least one variable of price variables; (B-1-2) dividing each variable in CPI (CPI); (B-1-3) after natural log transformation of the variables by using the step of scaling of individual variable and (b-1-4) a band pass filter (band-pass filter) the long-term cycle intended for each of the variables after extraction and by the technical features, comprising the arithmetic mean.;
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