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Table 5 D-model’s estimated coefficients with their p values based on the latest available information set

From: The D-model for GDP nowcasting

 

Εstimated coefficient

p value

 

Εstimated coefficient

p value

Private consumption

 \({\beta }_{0}\)

13,007.74

0.0000

\({\theta }_{1}\)

130.5150

0.0002

 \({\theta }_{2}\)

−55.78792

0.0020

\({\theta }_{3}\)

5.288621

0.0031

 \({\gamma }_{\mathrm{1,0}}\)

102.7245

0.0000

\({\gamma }_{\mathrm{2,0}}\)

107.7899

0.0000

 \({\gamma }_{\mathrm{1,3}}\)

1.126139

0.0000

\({\gamma }_{\mathrm{2,3}}\)

1.138982

0.0000

 \({\gamma }_{\mathrm{1,4}}\)

0.909918

0.0000

\({\gamma }_{\mathrm{2,4}}\)

0.480416

0.0000

 \({\gamma }_{\mathrm{1,5}}\)

0.217591

0.1828

\({\gamma }_{\mathrm{2,5}}\)

0.219026

0.0806

 \({\gamma }_{\mathrm{1,6}}\)

−2.763324

0.0000

\({\gamma }_{\mathrm{2,6}}\)

−3.336665

0.0000

 \({\gamma }_{\mathrm{1,7}}\)

−0.816437

0.0045

\({\gamma }_{\mathrm{2,7}}\)

−0.329955

0.1316

Government spending

 \({\beta }_{0}\)

−0.002027

0.6184

\({\beta }_{1}\)

0.021532

0.8335

Investment

 \({\beta }_{0}\)

−0.007570

0.3269

   

 \({\varphi }_{\mathrm{1,1}}\)

5.256264

0.0008

\({\varphi }_{\mathrm{2,1}}\)

−0.132306

0.0326

 \({\varphi }_{\mathrm{1,2}}\)

−4.307391

0.0022

\({\varphi }_{\mathrm{2,2}}\)

0.013762

0.2169

 \({\varphi }_{\mathrm{1,3}}\)

0.727777

0.0051

\({\varphi }_{\mathrm{2,3}}\)

−0.000349

0.0982

Exports of goods

 \({\beta }_{0}\)

843.1290

0.0000

\({\theta }_{1}\)

1.276792

0.0000

 \({\theta }_{2}\)

−0.415189

0.0000

\({\theta }_{3}\)

0.033869

0.0004

 \({\gamma }_{0}\)

0.003714

0.4766

\({\gamma }_{1}\)

0.131338

0.0115

Exports of services

 \({\beta }_{0}\)

−1550.526

0.0001

\({\theta }_{1}\)

2.480880

0.0000

 \({\theta }_{2}\)

−0.727720

0.0000

\({\theta }_{3}\)

0.048568

0.0000

 \({\gamma }_{0}\)

0.001441

0.7002

\({\gamma }_{1}\)

0.069996

0.0596

Imports of goods

 \({\beta }_{0}\)

−7.22E−05

0.9852

\({\theta }_{1}\)

−0.437440

0.0000

 \({\theta }_{2}\)

0.726357

0.0000

\({\theta }_{3}\)

−0.117135

0.0000

 \({\gamma }_{0}\)

0.001164

0.6943

\({\gamma }_{1}\)

−0.349545

0.0000

Imports of services

 \({\beta }_{0}\)

0.002177

0.6584

\({\theta }_{1}\)

−0.583303

0.0000

 \({\theta }_{2}\)

1.047051

0.0000

\({\theta }_{3}\)

−0.173271

0.0000

 \({\gamma }_{0}\)

0.001775

0.5597

\({\gamma }_{1}\)

−0.582359

0.0000

 \({\gamma }_{2}\)

−0.254289

0.0000

   

Changes in inventories

 \({\beta }_{0}\)

−0.002027

0.6184

\({\beta }_{1}\)

0.021532

0.8335

  1. On the quarterly (monthly) frequency, the estimated parameters refer to current quarter (2nd month of current quarter), based on information available on the 3rd month of current quartet