| Hypothesis | Description | Results |
| H1 | There is a significant negative relationship between CEO duality and firm value. | Partially supported |
| H1a | There is a significant negative relationship between CEO duality and the Egyptian listed firms’ value. | Not supported |
| H1b | There is a significant negative relationship between CEO duality and the American listed firms’ value. | supported |
| H2 | There is a significant positive relationship between board independence and firm value. | Fully supported |
| H2a | There is a significant positive relationship between board independence and the Egyptian listed firms’ value. | supported |
| H2b | There is a significant positive relationship between board independence and the American listed firms’ value. | supported |
| H3 | There is a significant negative relationship between board size and firm value. | Fully supported |
| H3a | There is a significant negative relationship between board size and the Egyptian listed firms’ value. | supported |
| H3b | There is a significant negative relationship between board size and the American listed firms’ value. | supported |
| H4 | There is a significant positive relationship between board meetings and firm value. | Fully supported |
| H4a | There is a significant positive relationship between Board meetings and the Egyptian listed firms’ value. | supported |
| H4b | There is a significant positive relationship between Board meetings and the American listed firms’ value. | supported |
| H5 | There is a significant positive relationship between gender diversity and firm value. | Fully supported |
| H5a | There is a significant positive relationship between gender diversity and the Egyptian listed firms’ value. | supported |
| H5b | There is a significant positive relationship between gender diversity and the American listed firms’ value. | supported |