Articles by Mitra et al. and Kuruppu et al. both investigated Internet financial reporting

Articles by Mitra et al. (2017) and Kuruppu et al. (2015) both investigated Internet financial reporting in their respective countries.

a. Both papers provide lists, which show the percentage of companies that make different types of disclosures. Along with providing percentages, the Sri Lankan study also provides some statistical tests (table 3, panel B, P. 81). Explain the extra information available to the reader due to the statistical tests documented in table 3. (4 marks)

b. One study uses a sample, the other study considered the entire population. What are the advantages and disadvantages these two approaches? (4 marks)

c. Considering your answer to b. above, explain which approach is more appropriate given the purposes of the studies?