A simple enquiry on heterogeneous lending rates and lending behaviour



GENERAL UNRESTRICTED MODEL

EQUATION FOR THE SPREAD BETWEEN INTEREST RATES ON BANK OVERDRAFT AND

MONETARY POLICY RATE (INTEREST RATE ON LOANS BY THE BANK OF ITALY)

The data employed for the estimates cover the period 1990 QI - 1998 QIV

++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++

D.P.D. RESULTS

Instruments used are:

CONST ta_d(-2) ta_d(-3) ta_d(-4)
so_u(-4) so_u(-5) isco(-1) tdif(-1)
c3        c4        a1        a3


ta_d(-5) so_u(-1) so_u(-2) so_u(-3)

tdif(-2) tdif(-3) tdif(-4) tdif(-5)

a4       a5       a6 IND DUMS


LEVELS IV

Number of firms:

54

Sample period is 1991 QII to 1998 QI

Observations:

1512

Degrees of freedom:       1487

Dependent variable

is:

ta_d

ONE-STEP ESTIMATES WITH ROBUST TEST STATISTICS

Wald

test

of joint

significance:

505.422951

df =

22

Wald

test

- jt sig

of ind dums:

0.341599

df =

2

Wald

test selected by user:

10.299139

df =

10

Testing:ta_d(-2) ta_d(-3) ta_d(-4) so_u(-2) so_u(-3) so_u(-4) isco
tdif tdif(-1) tdif(-2)

Var

Coef

Std. Error

T-Stat

P-Value

CONST

0.918082

5.373138

0.170865

0.864330

ta_d(-1)

3.237775

3.886986

0.832978

0.404857

ta_d(-2)

-0.970432

1.540478

-0.629955

0.528724

ta_d(-3)

-0.157001

0.433125

-0.362485

0.716989

ta_d(-4)

-0.396844

0.909495

-0.436335

0.662594

so_u

5.501375

3.635302

1.513320

0.130198

so_u(-1)

-3.951405

3.237292

-1.220590

0.222241

so_u(-2)

-1.606319

3.287958

-0.488546

0.625163

so_u(-3)

1.047737

2.816219

0.372037

0.709866

so_u(-4)

-3.611479

3.118469

-1.158093

0.246826

isco

0.046276

0.125520

0.368677

0.712369

tdif

-2.573195

3.468352

-0.741907

0.458144

tdif(-1)

0.662969

2.671158

0.248196

0.803983

tdif(-2)

0.474065

0.452225

1.048293

0.294504

tdif(-3)

0.283370

0.289738

0.978022

0.328063

tdif(-4)

0.339537

0.287402

1.181402

0.237443

c3

-3.979281

2.735695

-1.454577

0.145786

c4

-3.158094

2.214824

-1.425889

0.153900

a1

0.022598

0.234861

0.096217

0.923349

a3

-0.057324

0.479939

-0.119441

0.904926

a4

-0.255889

0.967343

-0.264527

0.791374

a5

-0.694210

1.738182

-0.399389

0.689607

a6

-0.911166

1.378700

-0.660888

0.508684

I2

-0.140736

0.608300

-0.231359

0.817036

I3

-0.416781

1.109827

-0.375536

0.707262

Robust test

for first-order

serial correlation:    -0.814

[     54 ]

Robust test

for second-order

serial correlation:     0.620

[     54 ]

36



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