The phrase "a lack of broad" is not correct and does not convey a clear meaning in written English.
It may be intended to describe a deficiency in something that is broad, but it requires additional context or modification to be usable.
Example: "The report highlighted a lack of broad understanding of the issue among the stakeholders."
Alternatives: "a deficiency in comprehensive" or "an absence of wide-ranging".
Concerned that the size of its allocation implied a lack of broad investor support, the manager sold all of the firm's Facebook's shares on Friday.
Other data on Thursday showed that an increase in the cost of gasoline last month pushed up producer prices, but a lack of broad price pressures gives the Federal Reserve scope to maintain its easy monetary policy.
I applaud Mayor Michael R. Bloomberg's initiative to establish hundreds of miles of bike lanes on city streets throughout New York City, despite a lack of broad community input.
It found "a lack of broad community support for this initiative, exacerbated by an apparent absence of scientific oversight during the construction process".That absence, though, was probably one reason the project's co-ordinators, a not-for-profit group called the Consortium for Ocean Leadership, managed to adhere to the OOI's construction timetable.
Barkat cited a lack of broad appeal for the space.
The service is reminiscent of Google Health, which Google discontinued after a lack of broad adoption.
Rickstad's tale, however intoxicating the atmosphere, suffers psychologically from a lack of broader vistas and deeper fields.
Conventional approaches for therapeutic targeting of viral pathogens have consistently faced obstacles arising from the development of resistant strains and a lack of broad-spectrum application.
Not only did the brutality instigated by Goebbels evoke harsh criticism internationally, the mixed reaction in the German media evidenced a lack of broad-based support among Germans for antisemitic violence.
Speculation regarding the importance of changes in gene regulation in determining major phylogenetic patterns continues to accrue, despite a lack of broad-scale comparative studies examining how patterns of gene expression vary during development.
The influence of a multitude of theories may be due to a lack of a broad theoretical framework which arguably makes the entrepreneurship field "rich in facts but poor in theory" (Koppl 2007, p. 4).
