How did CRA International's revenue and expenses perform in Q4 2024?

**CRA International's Revenue and Expenses Performance in Q4 2024**:

1. **Revenue Performance**:
- CRA International Inc. (CRAI) achieved a record revenue of $167.7 million in Q4 2024, marking a 13.7% year-over-year increase.
- This growth was driven by strong performance across multiple practices, with seven out of eleven practices reporting year-over-year revenue increases.
- Notably, the Antitrust and Competition Economics practice saw nearly 30% revenue growth year-over-year.
2. **Net Income and Profitability**:
- The company's net income increased by 33.1% year-over-year to $11.4 million, representing 6.8% of revenue.
- Non-GAAP net income, earnings per diluted share, and EBITDA each increased by more than 50% year-over-year.
- CRAI reported a significant increase in income from operations, with $18.4 million, a 70.4% increase compared to the third quarter of fiscal 2023.
3. **Expenses and Operational Efficiency**:
- Non-GAAP SG&A expenses were 16.2% of revenue for the quarter.
- The company's effective tax rate was 28.5% on a non-GAAP basis for Q4 2024.
- Days Sales Outstanding (DSO) was 122 days at the end of the quarter, indicating a healthy working capital management.
4. **Cash Flow and Dividends**:
- CRAI maintained a strong liquidity position with total liquidity of $160.4 million at the end of Q4 2024.
- The company delivered $2.9 million in dividends to shareholders during the quarter.
- Capital expenditures were $3 million in Q4 2024.

In conclusion, CRA International demonstrated robust growth in revenue and profitability in Q4 2024, driven by strong performance across various business segments. The company's efficient operational management and strategic initiatives contributed to its financial success, reflected in the increase in net income, EBITDA, and income from operations.