Correction: Journal of Industrial and Business Economics (2024) 51:431-480

https://doi.org/10.1007/s40812-023-00291-z

In this article, author has found the below errors in section 3.5 after publication of the paper, these errors were not notice by the author during the page proof review:

Published as – I 2020, there was a single EO that received 100% of market share.

Should be corrected as - In 2020, there was a single EO that received 100% of market share.

Published as - In 221, the α value was − 1 indicating high concentration.

Should be corrected as - In 2021, the α value was − 1 indicating high concentration.

Published as - In 201, two EOs shared 50% of the market each.

Should be corrected as - In 2019, two EOs shared 50% of the market each.

Published as - In 2020, te α value was − 1.044 indicating high concentration.

Should be corrected as - In 2020, the α value was − 1.044 indicating high concentration.

Published as - In 2021, he value of α was − 0.5

Should be corrected as - In 2021, the value of α was − 0.5

Published as - In both 019 and 2020, the α value was negative, − 0.807 and − 1.374 respectively, indicating high concentration.

Should be corrected as - In both 2019 and 2020, the α value was negative, − 0.807 and − 1.374 respectively, indicating high concentration.

Published as - In 2021, he value of a was 0.267, suggesting that there is a degree of diversity in the market.

Should be corrected as - In 2021, the value of a was 0.267, suggesting that there is a degree of diversity in the market.

The text “CPV code 793 – “Market and economic research; polling and statistics” should be removed from the original publication.

The original article has been updated.