An update of the macroeconometric
model of the Polish economy NECMOD
Katarzyna Budnik, Michał Greszta, Michał Hulej, Oskar Krzesicki,
Róża Lewińska, Karol Murawski, Michał Rot, Bartosz Rybaczyk
Design: Oliwka s.c. Layout and print:
Contents
Abstract ...7
Non-technical summary ...8
1 Introduction ...9
2 Data and seasonal adjustment ... 11
2.1 Problems with aggregated series ...11
2.2 Iterative procedure ...12
2.3 Joint seasonal adjustment method ...12
2.4 Technical details of the algorithm ...13
Structure of the model ... 15
3.1 Production sector ...15
3.2 Households sector ...19
3.3 Labour supply ... 23
3.4 Labour market ... 26
3.5 External sector ... 28
3.6 Aggregate demand and supply ... 33
3.7 Costs and prices ... 35
3.8 Fiscal sector ... 38
3.9 The monetary authority and interest rates ...41
3.10 Long-term properties ... 43
4 Impulse response analysis ...45
4.1 Monetary impulse ... 45
4.2 Exchange rate impulse ... 45
4.3 Government consumption impulse ... 46
4.4 GDP slowdown in the euro area ... 46
4.5 Migration ... 47
4.6 Inflow of structural investment funds ... 48
4.7 Inflow of Common Agricultural Policy funds ... 48
4.8 House price impulse ... 49
5.2.1 Shocked time series ... 57
5.2.2 Data sources ... 58
5.2.3 Estimating/evaluating uncertainty of shocked exogenous variables ... 58
5.3 Simulation of paths of exogenous variables ... 60
5.3.1 Data generating process (DGP) ...61
5.3.2 DGP – Autocorrelations and cross-correlations ... 62
5.4 Illustrative results ... 63
6 Concluding remarks ...64
References ...65
List of Figures
1. Brent oil price with market expectations from futures contracts . . . 58 2. Historical uncertainty concerning crude oil price forecasts . . . 59 . Future uncertatinty concerning crude oil price forecast . . . 60
List of Tables
1. Constraints binding groups of variables . . . 11
2. Monetary impulse . . . 50
. Exchange rate impulse . . . 50
4. Government consumption impulse . . . 51
5. GDP slowdown in the euro area . . . 51
6. Migration impulse response function . . . 52
7. Investment funds impulse responce function . . . 5
8. CAP funds impulse response function . . . 54
9. House prices impulse . . . 55
10. Exemplary oil price paths . . . 61
11. Fan charts based on past forecast errors . . . 6
Abstract
Non-technical summary
1
1
Introduction
1
2
2
Data and seasonal adjustment
2
2
2
3
Structure of the model
6,7
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