The phrase "lack of effective" is correct and can be used in written English.
For example, you could say "The lack of effective communication skills was a major contributor to the team's failure."
Some survived the illness, despite the lack of effective remedies.
The lack of effective rights allowing shareholders to exercise control.
Yet the chief reason is a lack of effective leadership.
Currently there is lack of effective ways to reuse it.
The lack of effective global governance is not a problem that will be cured overnight.
Perhaps the biggest problem with the judicial ethics rules is the lack of effective enforcement.
DISADVANTAGES -- The lack of effective backlighting makes for a display with very low contrast.
As everywhere, systemic issues like poverty and a lack of effective social services can't be ignored.
It is the catastrophic lack of effective checks and balances in the US.
Critics have also expressed alarm at the lack of effective monitoring and accountability mechanisms.
The OFT has often been constrained by a lack of effective powers and resources.
