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Vietnam has achieved impressive economic growth principally supported by foreign direct investment (FDI) in the last three decades. However, environmental deterioration is observed. No studies have ever been conducted to examine the link between economic growth and environmental degradation, focusing on the important role of the FDI, in Vietnam in both short run and long run. Using the ARDL and the threshold regression techniques for 35 years from 1986, Vietnam's "Doi Moi" (economic renovation), the U-shaped relationship between economic growth and the environmental quality is found in the long run and at the upper threshold of economic growth. FDI in the long run and at the upper threshold of economic growth also leads to further deterioration of the environmental quality. Also, consumption of fossil fuel energy deteriorates the environment in the long run, and at any level of economic growth. These findings simply mean that Vietnam has to adopt a new growth model with the focus on the quality FDI projects and clean energy sources to achieve the dual objectives: (i) sustained economic growth and (ii) improved environmental quality.

The current literature has generally considered prices of the agricultural commodity as an endogenous factor to crude oil price. As such, the role of the agricultural market in the energy sector has been largely ignored. We argue that the expansion of agricultural production may trigger a significant increase in oil price. In addition, the world has recently witnessed a growth in biofuel production, leading to an increase in the size of the agricultural sector. This study is conducted to examine the impact of different agricultural shocks on the oil and agricultural markets in the US for the period from 1986 to 2018. The study utilizes the Structural Vector Autoregressive (SVAR) model to estimate the relationship between the agricultural market and the crude oil market. Moreover, the variance decomposition is also used to quantify the contribution of agricultural demand shocks on oil price variations. Findings from this paper indicate that different agricultural shocks can have different effects on oil price and that corn use in ethanol plays an important role in the impact of corn demand shocks on oil price. We find evidence that the agricultural market can have an impact on oil prices through two main channels: indirect cost push effect and direct biofuel effect. Of these, the biofuel channel unexpectedly suggests that the expansion of bioethanol may in fact foster the dependency of the economy on fossil fuel use and prices.

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The Asia-Pacific region has faced conflicting objectives of achieving sustainable economic growth and simultaneously improving environmental quality. This paper, the first of its kind, applies the concept of the Kuznets curve to financial development in this region. The long-term effect of financial development on environmental degradation is examined using a sample of 26 countries in the 2007–2017 period. This paper uses the long-term estimation techniques - the panel autoregressive distributed lag, including the pooled mean group model; the mean group; and the dynamic fixed effect estimator. The second-generation Granger test is used to determine the causality between financial development and environmental degradation. The U-shaped nexus and a bi-directional relationship between financial development and environmental degradation are found.

Raising capital efficiently for the operations is considered a fundamental decision for any firms. Since the 1960s, various theories on capital structure have been developed. Various empirical studies had also been conducted to examine the appropriateness of these theories in different markets. Unfortunately, evidence is mixed. In the context of Vietnam, a rising powerful economy in the Asia Pacific region, this important issue has been largely ignored. This paper is conducted to provide additional evidence on this important issue. In addition, different factors affecting the capital structure decisions from the Vietnamese listed firms are examined. The Generalized Method of Moment approach is employed on the sample of 227 listed firms in Ho Chi Minh City stock exchange over the period from 2008 to 2017. Findings from this study suggest that the Vietnamese listed firms follow the trade-off theory to determine their capital structure (i.e., to determine the optimal debt level). In contrast, no evidence has been found to confirm that the pecking order theory can explain the financing decisions of the Vietnamese listed firms, as previously expected. In addition, findings from this study also indicate that ‘Fund flow deficit’ and ‘Change in sales’ are the most two important factors that affect the amount of debt issued for the Vietnamese listed firms. Implications for academics, practitioners, and the Vietnamese government have also been emerged from the findings of this paper.