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FISCAL MULTIPLIERS Arbresh MAMUDI, State University of Tetovo, Geoff PUGH, Staffordshire University Business School.

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Presentation on theme: "FISCAL MULTIPLIERS Arbresh MAMUDI, State University of Tetovo, Geoff PUGH, Staffordshire University Business School."— Presentation transcript:

1 FISCAL MULTIPLIERS Arbresh MAMUDI, State University of Tetovo, Geoff PUGH, Staffordshire University Business School

2 Theoretical approaches Far from consensus The range of reported multipliers varies from negative to higher than one Empirical evidence on the size of the multiplier cannot distinguish between the competing theories RangeRBCNK-DSGE 0 < k < 1 fully competitive labor and goods markets ‘Ricardian consumers’ Inflation targeting monetary authority k >1 complementarity of public and private consumption Monopolistic competition Sticky prices and wages Post crisis studies: ‘non- Ricardian consumers’ zero lower bound interest rate k <0 distortional effects of taxation ‘wage pressure’ effect of public employment Post crisis studies: risk premium on interest rates for high government debt

3 The dataset 65 empirical studies, 914 observations estimated by – single equation approaches (SEE) or – Vector autoregression (VAR) models; Primary data for structural characteristics of the countries: o The indebtedness of the economy, (central government debt/ GDP) o Monetary policy reaction, (short term money market rates) o The degree of openness, (imports of goods and services/GDP) o Financial development, (domestic credit to private sector/ GDP) NOVELTY- augment MRA with primary data on labour market variables Why? Labour market characteristics important in both leading theories: o Employment protection legislation indicator, EPL-(index scaled 0-5) o Trade union density, TUD-(ratio) o Benefit replacement rates, BRR-(ratio) o Coordination of wage bargaining, COOR-(index scaled 1 to 5)

4 Moderator variables: coding the literature Type of model class Type of fiscal impulse Direction of the impulse The way fiscal shocks are financed The duration of the shock Type of the country Type of data Horizon of estimation Type of fiscal multiplier Controlling for country specific characteristics Controlling for the quality of the study

5 MRA methodology

6 Publication bias: Funnel plot & FAT-PET ‘Funnel plot’ –ambiguous: slightly skewed to the right, but weight to the left around a mean that is positive, Cf. ‘FAT’: Ho:β 1 =0 ; no systematic variation of effect size with sample size Ho rejected, β 1 =-2.37, (p-value=0.01), negative coefficient indicates positive relationship between size of multiplier and sample size No ‘classical’ reason for publication search Competing theories with different predicted multipliers

7 Multivariate MRA: 2 models Baseline model: – All MVs – 2 dummies for Japan studies All Japan studies Japan studies after 1990 Preferred model: – Exclude DV controlling for the financial crisis A few observations controlling for financial crisis during the sample period – Cures substantial multicollinearity effects e.g. with Japan dummies – Cures diagnostic failure with respect to linearity

8 Table 4: Total sample results- different specification (WLS and cluster-robust SEs) GroupVariables Description Baseline model (1) a Preferred model (2) b k0k0 Constant 1.198** (0.434) 1.010** (0.395) Model classvar VAR models 0.887*** (0.232) 0.873** (0.233) see SEE models Fiscal impulsecons Public consumption 0.609*** (0.145) 0.639*** (0.145) invest Public Investments 0.562*** (0.200) 0.584*** (0.197) milita Military expenditure -0.276 (0.405) -0.280 (0.406) tax Tax shocks -0.474*** (0.141) -0.487*** (0.142) pubemp Public employment expenditure -0.017 (0.421) -0.008 (0.417) notspec General government expenditure Diagnostic test: Preferred model is well specified with respect to linear functional form ( 1% level) and normality But may suffer from heteroscedasticity; so model is estimated with cluster robust standard errors Multivariate results : Multipliers from the VAR model are significantly higher than estimates from SEE Public investment and public consumption produce higher multiplier values Tax shocks have lower impact compared to unspecific/general public spending

9 Table 4: Total sample results- different specification (WLS and cluster-robust SEs) GroupVariablesDescription Baseline model (1) a Preferred model (2) b Direction of impulse incrPositive fiscal shock -0.247 (0.194) -0.266 (0.194) Duration of impulse temporTemporary shock -0.925*** (0.331) -0.902*** (0.330) Type of economytransitTransition countries 0.661** (0.268) 0.673** (0.263) Data characteristics quartQuarterly data -0.575** (0.239) -0.535** (0.241) horizHorizon after shock0.018* (0.010) 0.018* (0.009) A longer horizon of measurement yields significantly higher multipliers Studies using quarterly data report significantly lower multipliers compared to studies using annual data Multipliers from a temporary shock are lower than multipliers from a permanent shock Fiscal policy in transition countries appears to be more effective than in advanced economies although the results are not stable across different specifications

10 Table 4: Total sample results- different specification (WLS and cluster-robust SEs) GroupVariablesDescription Baseline model (1) a Preferred model (2) b MV for augmented models indebt Indebtedness of the country -0.159 (0.102) -0.171 (0.104) openOpenness -0.470*** (0.162) -0.499*** (0.163) erExchange rate 0.251* (0.153) 0.279* (0.133) employEmployment 0.063 (0.116) 0.049 (0.116) lmi Labour market institutions 0.595*** (0.125) 0.579*** (0.126) recc Multipliers estimated assuming reccesion -0.198 (0.332) -0.273 (0.293) exp Multipliers estimated assuming expansion -0.406** (0.209) -0.484** (0.212) fincrisisMultipliers estimated assuming financial crisis 0.362 (0.331) Primary studies controlling for the degree of openness, type of exchange rate and labour market characteristics, yield significantly different estimates compared to conventional studies The multipliers estimated for expansion periods are smaller

11 Table 4: Total sample results- different specification (WLS and cluster-robust SEs) Group VariablesDescription Baseline model (1) a Preferred model (2) b Primary data epl Employment protection rate 0.029 (0.067) 0.043 (0.066) tudTrade union density -0.001 (0.004) -0.000 (0.004) brrBenefit replacement rate 0.566 (0.481) 0.788* (0.440) coorWage coordination 0.058 (0.072) 0.059 (0.077) irInterest rate -0.002 (0.024) -0.002 (0.023) impgdpImport/GDP -0.013** (0.005) -0.013** (0.005) credgdpDomestic credit/GDP 0.000 (0.002) 0.001 (0.002) debtgdpDebt/GDP0.002 (0.002) 0.003 (0.002) Primary (contextual) variables: All models: Openness channel is an important determinant of the multiplier A difference between economies of 30pp implies a difference in multiplier of 0.39 Preferred model: The replacement ratio also affects the value of the multiplier A difference between economies of 0.10 implies a difference in multiplier of 0.08

12 ‘True’ multiplier Study characteristics (other factors held constant) Combined effect t-statp-valueCI Study estimated by SEE (incr=0; tempor=0; transit=0; quart=0; horiz=mean; primary data=mean) 1.5493.670.0010.70;2.39 Study estimated by VAR (incr=0; tempor=0; transit=0; quart=0; horiz=mean; primary data=mean) 2.4234.750.0001.4;3.44 Fiscal impulse is CONSUMPTION (incr=1; tempor=0; transit=0; quart=0; horiz=mean; primary data=mean) 3.0416.090.0002.03;4.04 Fiscal impulse is INVESTMENT (incr=0; tempor=0; transit=0; quart=0; horiz=mean; primary data=mean) 2.9955.830.0001.96;4.02 Fiscal impulse is MILITARY SPENDING (incr=0; tempor=0; transit=0; quart=0; horiz=mean; primary data=mean) 2.2943.810.0001.08;3.5 Fiscal impulse is TAX SHOCK (incr=0; tempor=0; transit=0; quart=0; horiz=mean; primary data=mean) 1.9344.170.0001;2.86 Fiscal impulse is PUBLIC EMPLOYMENT (incr=0; tempor=0; transit=0; quart=0; horiz=mean; primary data=mean) 2.5083.980.0001.24;3.76 Study estimated by SEE, fiscal impulse is NOTSPE, (incr=1; tempor=1; exp=1; quart=1; japan=1) -1.504-2.640.011-2.64;-0.36 Study estimated by SEE, fiscal impulse is TAX, (incr=1; tempor=1; exp=1; quart=1; japan=1) -1.957-3.380.001-3.11;-0.79 Study estimated by SEE, fiscal impulse is TAX, (incr=1; tempor=1; transit=0; quart=1; horiz=mean; primary data=mean) -0.627-2.410.02-1.15;-0.10 Study estimated by VAR, fiscal impulse is TAX, (incr=1; tempor=1; transit=0; quart=1; horiz=mean; primary data=mean) 0.252.010.0490.001;0.49 Study estimated by VAR, fiscal impulse is TAX, (incr=0; tempor=1; exp=1; quart=1; horiz=mean; primary data=mean) -0.003-0.020.459-0.34;0.76

13 Main findings The heterogeneity of the reported multipliers arises from many study characteristics Structural characteristics: – Openness channel - very large – Replacement ratio - smaller but still substantial There is no true multiplier – the multiplier is time and state dependent

14 Thank you!


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