Monetary policy shocks and industrial production in BRICS countries.
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Date
2017
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Abstract
This study investigates monetary policy shocks and industrial production in BRICS countries.
The study is presented in four separate but related essays. The first (chapter three) employs a
Panel Structural Vector Autoregressive model (𝑃−𝑆𝑉𝐴𝑅) to investigate how monetary policy
shocks affect industrial output in BRICS countries using monthly data for the period 1994:1 to
2013:12. A nine variable 𝑃−𝑆𝑉𝐴𝑅 with short-run restrictions among the variables is constructed
for the analysis. The study finds that variations in the exchange rate have the largest impact on
industrial output in the BRICS countries. It is also observed that inflation rates significantly
increase industrial output, peaking after about 11 months. This suggests that monetary authorities
should be cautious when formulating policies aimed at reducing the inflation rate because of the
spill over effect on industrial output. Further analysis reveals that interest rates have a marginal
effect on exchange rates, while money supply makes a relatively large contribution to exchange
rate fluctuations. Again, it is observed that changes in money supply exert a very large impact on
variations in the rate of inflation. Thus, money supply plays an important role in curbing
inflation. The study also analyses variations in interest rates, money supply and inflation and
recommends that monetary authorities in the BRICS countries adjust interest rates, and not
money supply, in response to inflation expectations.
The second essay (chapter four) models exchange rate behaviour in the BRICS countries. This
study examines global shocks and variations in the BRICS countries local currency/United States
dollar exchange rate using the symmetric Generalized Autoregressive Conditional
Heteroscedasticity (GARCH), Exponential Generalized Autoregressive Conditional
Heteroscedasticity (EGARCH) and Asymmetric Power Autoregressive Conditional
Heteroscedasticity (APARCH) models to determine the relationship between the two. The
GARCH, EGARCH and APARCH are employed under normal (Normal Gaussian) and nonnormal
(Student‘s t and Generalized Error) distributions. Using monthly exchange rate data
covering the period – , the study finds that exchange rates in Brazil, Russia
and India can well be modelled by the symmetric GARCH (1,1) model while in China, the three
models perform well. In South Africa, the results of the three models also perform well but the
EGARCH (1,1) model is found to be the best. Further analyses of the models reveal that the
Student‘s t distribution produces better fit for estimating exchange rate variations and global
shocks in BRICS countries compared to the Normal Gaussian and GED values under the nonnormal
distributions. Overall, the study recommends that the BRICS countries should consider
the impact of oil prices and global interest rates when formulating and implementing policies that
impact on exchange rates.
The third essay (chapter five) examines whether the five BRICS countries share similar business
cycles and determines the probability of any of the countries moving from a contractionary
regime to an expansionary regime. The study further examines the extent to which changes in
monetary policy affect industrial output in expansions relative to contractions. Employing the
Peersman and Smets (2001) Markov-Switching Model (MSM) and monthly data from 1994:01 –
2013:12, the study reveals that the five BRICS countries have similar business cycles. The
results further demonstrate that the BRICS countries‘ business cycles are characterized by two
distinct growth rate phases: a contractionary regime and an expansionary regime. It is observed
that area-wide monetary policy has significantly large effects on industrial output in recessions
as well as in booms. It is also established that there is a high probability of moving from state 1
(recession) to state 2 (expansion) and that on average, the probabilities of staying in state 2
(expansion) are high for each of the five countries. It is, therefore, recommended that the BRICS
countries should sustain uniform policy consistency (monetary policy), especially as they
formulate and implement economic policies to stimulate industrial output.
The fourth essay (chapter six) investigates the long run and short run dynamics between
industrial production and the factors affecting production in the emerging market economies of
BRICS countries. Using the Chudik and Pesaran (2013) P-ARDL model and monthly data from
1994:01 – 2013:12, the study finds evidence of a cointegrating relationship between industrial
production and selected variables. It is further observed that capital, labour, per capita income
and exports have a positive long run impact on industrial production in the BRICS countries.
However, a currency appreciation (an increase in the exchange rate) has a negative impact on
industrial production. In the short run, it is found that imports, exports, exchange rates, labour,
capital and per capita income significantly affect industrial production. The policy implication
stemming from the analysis is that a sound economic policy is important for output production
and industrialization in BRICS countries while poor policy will result in a nexus of constraints
from which escape may be difficult (or impossible). The industrial sector, therefore, should also
be listed as a sector that can actualize the diversification process and boost economic
performance in the EMEs. There should also be policy consistence in curtailing the declining
trend of industrial production.
Description
Doctoral Degree. University of KwaZulu-Natal, Durban.