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This study is designed to examine the dynamic interrelationships between four cryptocurrencies (Bitcoin, Ethereum, Dogecoin and Cardano) and the Indian equity market. Additionally, the study seeks to investigate the potential safe haven, hedge and diversification uses of these digital currencies within the Indian equity market.

This study employs the wavelet approach to examine the time-varying volatility of the studied assets and the lead-lag relationship between stocks and cryptocurrencies. The authors execute the entire analysis using daily data from 1st October 2017 to 30th September 2023.

The result of the study shows that financial distress due to the pandemic and the Russian invasion of Ukraine have a negative effect on the Indian equities and cryptocurrency markets, escalating their price volatility. Also, the connectedness between the returns of stock and digital currency exhibits a strong positive relationship during periods of financial distress. Additionally, cryptocurrencies serve as a tool of diversification or hedging in the Indian equities markets during normal financial circumstances, but they do not serve as a diversifier or safe haven during periods of financial turmoil.

This study contributes to understanding the relationship between the Indian equity market and four cryptocurrencies using wavelet techniques in the time and frequency domains, considering both normal and crisis times. This can offer valuable insights into the potential of cryptocurrencies inside the Indian equities markets, mainly with respect to varying financial conditions and investment horizons.

Amidst the growing awareness regarding the social accountability of corporates, the study has attempted to investigate how firm characteristics like size and performance influence corporate social responsibility (CSR) activities in India.

236 Indian firms listed on the National Stock Exchange (Nifty 500 index) have been selected for the empirical analysis. The independent variable firm size has been defined through total assets, operation scale and resource access. Another important factor, firm's performance, is also considered as the independent variable. CSR, the dependent variable, has been measured using Bloomberg's Environmental, Social and Governance (ESG) disclosure scores.

Findings of the dynamic panel data analysis have revealed an inversed U-shape relationship between companies' size and CSR, i.e. CSR participation is positively related with small-sized firms, but as the firms become larger in size, their relationship with CSR becomes negative. A negative relationship has also been found between firm performance and CSR, while the age of the firm exhibits a positive association with CSR participation.

Poor performance of the larger firms suggests that government regulatory bodies need to take strict steps to enhance supervision. Clear regulations are required to be framed and enforced upon large companies to promote consistent participation in CSR. The present study has endeavoured to offer a distinct viewpoint by considering firm size and CSR to be related in a non-linear manner and has brought forward relevant information from the perspective of an emerging economy like India.