Sean Kilpatrick/CP Prime Minister Justin Trudeau holds a press conference in Guangzhou, China on Dec. 7, 2017.

OTTAWA — Justin Trudeau's Liberals are ushering out 2017 the same way they rang it in: in the midst of controversy over ethics and alleged elitism. But as much as the prime minister doubtless wants to turn that page, government insiders say he has no intention of hitting the reset button in the new year. He won't shuffle his cabinet or prorogue Parliament and come back with a throne speech laying out a new agenda for the second half of his four-year mandate — the traditional ways governments try to signal a fresh start. Earlier:

Rather, 2018 will be devoted to delivering on the agenda Trudeau's Liberals were elected on — "a year of relentless implementation," in the words of one insider, who spoke strictly on background. In other words, a continued focus on spurring economic growth and job creation to ensure a more comfortable future for the middle class "and those working hard to join it," as Liberals never tire of saying. That means a budget that once again emphasizes investments in infrastructure and preparing Canadians for a changing economy, where advances in artificial intelligence and other technologies threaten traditional jobs. It means getting the infrastructure bank, created this year, up and running and leveraging private capital for projects that governments alone can't afford. Liberals bolstered by good economic news in 2017 It means hosting a G7 leaders' summit in June that focuses on "investing in growth that works for everyone," preparing for the jobs of the future and advancing gender equality, among other things. And it means hosting for the first time both the Fortune Global Forum, a prestigious invitation-only gathering of the world's business elite, and the companion Most Powerful Women Summit. All of it aimed at perpetuating the good economic news that dominated 2017: fastest growth among G7 countries, more than 400,000 jobs created, lowest unemployment rate since 2008. That's the kind of positive results Liberals contend can be felt by real people. And it's why they believe they've been able to weather storms over ethics, reneging on Trudeau's signature promise to reform the electoral system, small business tax reform and Canada Revenue Agency crackdowns on diabetics and others — despite the best efforts of Conservatives and New Democrats who've been relentless in their pursuit of anything that suggests Trudeau and his ministers are wealthy elitists out of touch with the very middle class they profess to champion. On that score, the Liberals have handed the opposition parties and their newly-minted leaders plenty of ammunition throughout the year, starting with the revelation that Trudeau and his family vacationed last Christmas on the private Bahamian island owned by the Aga Khan, multi-billionaire philanthropist and spiritual leader to the world's Shia Ismaili Muslims.

Matthew Usherwood/CP Prime Minister Justin Trudeau leaves Parliament Hill on Oct. 23, 2017.

Trudeau is still under investigation by federal ethics watchdog Mary Dawson for using the Aga Khan's private helicopter to get to the island, without prior permission from her as required by the Conflict of Interest Act. A year later, the book on that saga is not yet closed. It remains to be seen whether Dawson will rule on the matter before her thrice-extended term expires on Jan. 8 and, if not, whether her successor, Mario Dion, will choose to pursue it. The Liberals' image as champions of the middle class took another self-inflicted hit in the summer, when Finance Minister Bill Morneau announced tax reform proposals he maintained were aimed at stopping the wealthy from using incorporation of their small businesses to gain unfair tax advantages. The badly-communicated plan backfired, triggering an avalanche of criticism from doctors, lawyers, accountants, farmers and shopkeepers, who resented the implication that they were tax cheats, and pushback from premiers and even some Liberal backbenchers. Morneau ended up scrapping some proposals and softening others. The furor drew attention to Morneau's own personal wealth and the fact that upon his appointment to cabinet he did not divest or put in a blind trust some $20 million worth of shares in Morneau Shepell, the giant pension management and human resources company founded by his father.

Dawson is now investigating whether Morneau was in a conflict of interest when he introduced pension legislation that may have benefited Morneau Shepell and the value of his shares. The ghost of that controversy past will almost certainly continue to haunt Trudeau in the new year, when Dawson or her successor — assuming Dion chooses to continue the investigation — finally rules on the matter. Moreover, legislation to implement the small business tax reform may run into a brick wall when it gets to the independent-minded Senate, where a committee has already urged the government to scrap even the watered down proposals. Morneau's tax travails and personal finances combined to make the last half of 2017 the most challenging time yet for Trudeau's two-year-old government. And public opinion polls briefly reflected the parliamentary turbulence, showing the Conservatives closing the gap with — or even surpassing — the Liberals for the first time since the 2015 election. Controversies not sticking? Yet when the public mood was actually tested at the ballot box in a series of byelections this fall, the Liberals managed to easily hold onto safe seats and snatch away two Conservative seats in the midst of the controversy. And by year end, most polls suggested the Liberals had rebounded back into a relatively comfortable lead. "I think for the most part, the Liberals are benefiting from broader conditions that often benefit majority governments: rookie opposition leaders and a generally healthy economy with relatively low levels of unemployment," says University of Waterloo political scientist Emmett Macfarlane. "And so where there have been controversies, they aren't necessarily sticking." That said, Macfarlane says Andrew Scheer's Conservatives "have arguably made the most of what they've been given," successfully pressuring the government to walk back its tax reform proposals. The NDP, however, seems "to be having more trouble getting traction" and might benefit from more national attention if fledgling Leader Jagmeet Singh were to win a seat in Parliament, he adds.

Chris Young/CP Jagmeet Singh celebrates with supporters after winning the first ballot in the NDP leadership race to be elected the leader of the federal New Democrats in Toronto on Oct. 1, 2017.