### Clue: In which L of 18, 14, 16 is problem for chancellor? (11)
### Answer: UNDERGROWTH 
 ### Explanation: Definition: In which L of 18, 14, 16
 UNDER-GROWTH, one might say, of the economy could be;? a problem for the Chancellor of the Exchequer.
Defn: Reference to SDFA's series, Life In The Undergrowth.