News roundup: the top stories at midday on Monday

Black economy costs €6 billion a year, Tullow shares fall after Ethiopian oil well delay and household savings rose in 2012.

The top stories at midday

**The main business and political news at midday on Monday:**

.....

**Black economy** hurting small firms, costing €6 billion a year - SFA.

**Slowdown** in construction sector accelerates in March.

**Price** and customer service key for Irish consumers.

**Household** savings and disposable income rose in 2012 - CSO.

.....

**Tullow** shares fall after Ethiopian oil well delay.

**Tullow** says Ethiopian well has hydrocarbons, requires testing.

**Petroceltic** signs financing facility for up to $500 ...