Abstract
This paper investigates the impact of US uncertainty shocks on China’s macroeconomy with a focus on the dynamic response of investment. Using a structural vector autoregression (VAR) model, we find that the wait-and-see mechanism of aggregate investment in the face of heightened US uncertainty disappears in China. Robust evidence confirms that the increase in state-owned enterprises’ investment in response to heightened uncertainty explains this puzzle, while private-owned enterprises’ investment decreases as expected. We apply regime-dependent local projections to link uncertainty shocks with credit regimes to explore whether the impact of US uncertainty shocks on investment in China has varied over time in connection with the states of bank loans. The empirical results support a positive response of state-owned enterprises’ investment to increased US uncertainty during the tightening of medium- and long-term bank loans but a negative reaction when short-term bank loans are tightening. Finally, we show that economic policy uncertainty conveying political signals leads to a decline in state-owned enterprises’ investment. Overall, this paper provides richer empirical evidence on the investment-uncertainty nexus.
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Data Availability
All data included in this article are available upon request by contact with the corresponding author.
Notes
State-owned enterprises (SOEs) in China refer to firms owned by all citizens of China and controlled by central and local governments. Usually, the objectives of SOEs go beyond profits, including resources, employment, and foreign policy.
In China, some SOEs controlled by the central government (e.g., State Grid Corporation of China) and most SOEs controlled by the local governments are nonlisted firms. In addition, we have the macro level investment of private-owned enterprises (POEs) in the subsequent analysis.
The financial cycle view is related to but virtually different from the financial frictions view. In the financial frictions view, when financial contracts are subject to imperfect information, a rise in uncertainty increases the external finance premium and the cost of capital and further declines firms’ investment, where credit aggregates propagate uncertainty shocks to the real economy.
Bank loans are the most important source of external funds used to finance businesses in China. Over the period 2016–2018, bank loans dominate the external financing in SOEs and POEs, around 70%.
I also consider economic policy uncertainty in the further discussion section.
Chan (2017) develops an efficient Markov Chain Monte Carlo (MCMC) algorithm to estimate the hyperparameters in three equations. A significant feature in this approach is when \({\mathrm{\alpha }}_{\mathrm{t}}=0\) for all t, the model degenerates to a standard time-varying parameter regression with stochastic volatility. If we relax this assumption and allow \({\mathrm{\alpha }}_{\mathrm{t}}\ne 0\), then the model allows an extra channel of persistence.
In the subsequent analysis, we use US uncertainty (\({\mathrm{VIX}}^{\mathrm{US}}\)) and estimated China’s uncertainty (\({\mathrm{SV}}^{\mathrm{China}}\)).
The one-year benchmark lending rate is regarded as the policy rate in China. A recent reform that the People’s Bank of China (PBC) announced the new formation mechanism of loan prime rate (LPR) in August 2019 shows that one-year benchmark lending rate will be an ideal proxy of the policy rate in China.
The aggregate investment is decomposed into SOEs’ investment, POEs’ investment, households’ investment, and others (joint ventures for example), whereas SOEs’ and POEs’ investments dominate compared to other types of investments and, on average, account for around 70% of aggregate investment over the sample period.
In general, government investment injecting into SOEs is to achieve specific government projects, e.g., infrastructure investment. Besides, the SOEs’ investment excluding government investment mainly incorporates fixed-asset investment and overseas direct investment, etc.
All bank loans are end-of-quarter financial institution loans outstanding.
Website: https://www.frbatlanta.org/cqer/research/china-macroeconomy.aspx?panel=2. For more details on this dataset, referring to Chang et al. (2016).
The real bank lending rate is the difference between nominal bank lending rate and inflation rate.
Later, we use a smooth transition function to identify the regimes of bank loans to test the robustness of regime-dependent results and find that the empirical conclusions do not depend on a particular identification of credit regimes.
This is also known as a financial frictions view.
If this conjecture is right, then investment will have a larger positive response to US uncertainty shocks after keeping China’s uncertainty constant.
Also see Fig. 2.
We use the HP filter to detrend all series of investment and bank loans. The smoothing parameter in the HP filter takes 1600 for quarterly data.
Uribe and Yue (2006) point out that researchers typically define the business cycle as movements in time series of frequencies ranging from 6 to 32 quarters.
It is meaningless to compare the magnitude of variance decomposition in different models.
Claessens et al. (2012) employ another way to find the financial cycle through an extended BBQ algorithm introduced by Harding and Pagan (2002) and identify the turning points in the log-level variable. Because the financial cycle has a much lower frequency and the average length of the financial cycle is 15 to 20 years (Borio 2014), so we cannot capture enough variations in credit regimes via the extended BBQ algorithm.
The correlation between two cyclical series is -0.206.
There is a negative correlation between short-term and long-term loans in China in sharp contrast to the positive one in the US (Chang et al. 2016).
This is known as the soft budget constraint. Xu (2011) mentions that the soft budget constraint is a major moral hazard problem in all centralized economies and transition economies.
Applying this criterion to capture uncertainty related to economic policy, Baker et al. (2016) construct the EPU index based on the newspaper coverage frequency. Specifically, Baker et al. (2016) perform systematic searches of leading newspapers to obtain a monthly count of articles that contain the following trio of terms: [“uncertainty” or “uncertain”], [“economic” or “economy”] and [“congress”, “deficit”, “Federal Reserve”, “legislation”, “regulation”, or “White House”].
An et al. (2016) collect data on changes of government officials in 277 Chinese cities.
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Acknowledgements
We would like to thank Dr. Jaroslav Horvath and participants at UNH economics seminar for their extensive and valuable comments. We also thank the valuable comments of two anonymous referees. All remaining errors are our own.
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This study was funded by National Social Sciences Funds (20BTJ015).
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Yan, M., Shi, K. Revisiting the Impact of US Uncertainty Shocks: New Evidence from China’s Investment Dynamics. Open Econ Rev (2023). https://doi.org/10.1007/s11079-023-09734-5
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DOI: https://doi.org/10.1007/s11079-023-09734-5
Keywords
- Uncertainty shocks
- Wait-and-see dynamics
- Structural VAR
- Local projections
- State-owned enterprises
- Credit regimes