New constructions dropped 17.1% on the year to RON12.03 billion in the first six months of 2013, the data showed.
Investments in machinery and equipment, including transport vehicles, rose 15.3% to RON13.5 billion, other investments increased 5.9% to roughly RON2.4 billion.
Broken down by activity, net investments in industry amounted to 41.4% of total investment in January through June, followed by investments in commerce and services (37.9%), constructions (14.4%) and agriculture (4.8%).
Net investments in other sectors of the Romanian economy stood at 1.5% of the overall investment in the first half of 2013.
In the second quarter compared with the year-ago period, Romanian net investments decreased 4.2% to RON15.6 billion, again hurt by falling investments in constructions, INS data showed.
The data include financial results from around 23,000 economic and social operators with 50 or more staff. The maximum admitted margin of error is plus/minus 3%. (EUR1=RON4.4595)