A COMPARATIVE STUDY OF ALTERNATIVE ECONOMETRIC PACKAGES: AN APPLICATION TO ITALIAN DEPOSIT INTEREST RATES



Table 3

DETERMINANTS OF DEPOSIT INTEREST RATES
PANEL ESTIMATION, 1990-99

Dependent variable: banks’ deposit rate in each province.

Independent variables: Herfindahl index for deposits’ market shares (HER); concentration ratio (R3), i.e.
sum of the first 3 banks’ market shares per province; staff costs per employee (COSPER); costs/total
assets (COSRAT); number of banks per province (NBANKS). Variables refer to end-of-year data, for
the period 1990-99. Regressions include time dummy variables, whose coefficients are not reported. t -
statistics in brackets. * Significant at 1 per cent. ** Significant at 5 per cent. *** Significant at 10 per cent.

(i)

Fixed

(ii)
Fixed

(iii)
Fixed

(iv)
Fixed

(v)

Fixed

effects

effects

effects

effects

effects

HER

-0.22

-0.25

R3

(-0.79)

-0.33

***

(-0.88)

-0.36

**

NBANKS

(-1.92)

0.0028

*

0.0028

*

(-2.05)

0.0029

*

COSPER

-6.48

*

-6.47

*

(3.91)

-6.35

*

(3.93)

-6.36

*

(3.97)

-6.34

*

COSRAT

(-4.50)

4.05

*

(-4.49)

4.06

*

(-4.41)

3.94

**

(-4.41)

3.91

**

(-4.40)

3.92

**

(2.35)

(2.35)

(2.29)

(2.27)

(2.28)

Number    of

10561

10561

10561

10561

10561

observations

R2

0.95

0.95

0.95

0.95

0.95

Sum squared
residuals

2839.1

2838.22

2834.67

2834.43

2833.38

Hausman test

136.87

139.47

137.86

139.33

143.65

31



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