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The construction industry is a significant driver of economic activity in many countries. However, there has been a lack of growth in productivity within the Australian construction sector over recent years. The purpose of this paper is to gain an in-depth understanding of the causes for declining productivity within the Australian mid-rise residential construction network.

Two in-depth case studies have been conducted with a builder and developer, both significant entities of the Australian mid-rise residential construction network. Case study data collection comprised a five-stage process including semi-structured interviews and archival information review.

Drivers for declining construction productivity were identified under the categories of: industry-, firm- and project-level productivity. The drivers include: incomplete documentation, design changes, inefficient project management, supply chain fragmentation, among others.

The contribution of this study is the identification and categorisation of major issues impacting sector productivity along the mid-rise residential construction supply chain. The research identified that the substructure and superstructure are the construction phases during which most productivity losses occur. Mitigations are discussed in terms of systemic sector productivity increases at an industry, firm and project levels.

Recent research has challenged traditional views of the 1920s-era Ku Klux Klan in the United States. Case studies have shown that the movement appealed to a broad middle-class constituency and advocated a range of popular reforms. These findings have stimulated a provocative debate over whether the movement represented a mainstream “civic populism” or a more racist reaction to change. Here, I review the recent debate and show how the new data are consistent with current sociological models of collective action. Comparing studies of Klan mobilization in several cities, I argue that the movement was both populist and racist, combining processes of contemporary urban racial and class formation. From this perspective, I suggest, the 1920s Klan highlights a critical moment in the development of racial and class identities in 20th century urban America.